tag:blogger.com,1999:blog-34011068383159455502024-02-08T09:35:04.930-08:00Capacitores da FísicaCapacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.comBlogger14125tag:blogger.com,1999:blog-3401106838315945550.post-78814784550816982262012-10-31T05:15:00.001-07:002012-10-31T05:15:23.533-07:00relatório do telefone de latinha<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin: auto auto auto -0.25pt; mso-padding-alt: 0cm 3.5pt 0cm 3.5pt; mso-table-layout-alt: fixed;"><tbody>
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<span style="color: black; font-family: 'Arial Black'; font-size: 18pt; font-variant: small-caps;">Iniciação Tecnológica<o:p></o:p></span></h1>
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<span style="color: black; font-family: 'Arial Black'; font-size: 14pt; font-weight: normal; mso-bidi-font-size: 16.0pt;">- Telefone de Latinha -<o:p></o:p></span></h5>
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<span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></h5>
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<span style="color: black; font-family: Arial; font-size: 10pt;">Grupo:_________8_________________<o:p></o:p></span></h5>
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<span style="color: black; font-family: 'Arial Black'; font-size: 14pt; mso-bidi-font-size: 10.0pt;">NOTA<o:p></o:p></span></h3>
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<span style="color: black; font-family: Arial; font-size: 12pt;"><u>1ª Parte<o:p></o:p></u></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Nome<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Número<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Série e Turma<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Bruna Andrade<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">10<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Danilo Pastorelli<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">16<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Jennifer Elizabeth<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">24<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Thamires Monteiro<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">44<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">1>Objetivo do Trabalho:<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Construir um telefone de latinha, utilizando 10metros de fio (barbante)<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passar o maior número de palavras pelo telefone, para a outra pessoa integrante do <span style="mso-spacerun: yes;"> </span>grupo, sendo a prova mínima, 16 palavras.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Aprender os conceitos de acústica e de onda.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">2>Descrever os Materiais Utilizados na construção do Telefone. (Todos os Materiais)<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Dez metros de barbante<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Duas latas (milho e ervilha)<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Tesoura<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Prego<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Martelo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fogo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita métrica<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Alicate<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita isolante<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita crepe<o:p></o:p></span></span></div>
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<b><u><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">3>Descreva em 8 passos a construção do telefone.<o:p></o:p></span></span></u></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- </span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">Separe os materiais necessários para a construção do telefone.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Lave e seque bem as latas.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- No caso de as latas serem de milho, ervilha e leite condensado, ou seja, terem uma parte cortante, bata na borda das latas com o martelo para que não corte ninguém.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Acenda o fogo, segure o prego com o alicate e esquente-o.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fure as latas no fundo(no centro) de maneira que o furo não fique muito grande, mas seja ideal para amarrar um fio e prendê-lo bem.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Meça dez metros de barbante e corte.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passe cada ponta do barbante pelo furo de uma latinha, então faça um nó para que o fio não escape.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passe fita isolante na borda(no lado de fora do fundo) das duas latas.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">4>Desenhe o Telefone com as duas pessoas e indique os fenômenos ondulatórios que ocorrem. Classifique de forma completa a onda existente.<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-style: italic; mso-bidi-font-weight: bold;">- Refração e</span><span style="color: black; font-family: Arial;"> <span style="mso-bidi-font-style: italic; mso-bidi-font-weight: bold;">Ressonância.</span><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">- Ondas mecânicas</span><span style="color: black; font-family: Arial;">, <span style="mso-bidi-font-weight: bold;">transversais e</span> <span style="mso-bidi-font-weight: bold;">unidimensionais.<o:p></o:p></span></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><strong><u><span style="font-size: x-small;">2ª Parte<o:p></o:p></span></u></strong></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">5> Quantos projetos foram feitos antes do definitivo: (Faça um histórico dos mesmos) (No caso de ser a primeiro e único, Justifique o porquê de não ter tentado uma evolução no projeto)<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos dois projetos. O primeiro foi com latas de milho e ervilha, com um barbante mais grosso e com fita crepe nas bordas (parte de fora do fundo das latas). O segundo, fizemos com duas latas grandes (tradicionais) de Nescau, com um barbante fino e durex nas bordas (parte de fora do fundo das latas). <o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos o teste com os dois projetos e o primeiro que fizemos foi o que funcionou melhor, então, somente trocamos a fita crepe por fita isolante e decidimos ficar com ele.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">6> Crie uma lista de problemas ocorridos no telefone e a solução que o grupo utilizou para o mesmo (Faça em forma de tabela com duas colunas).<o:p></o:p></span></u></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Problemas<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Solução<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O fio estava com dez metros, então, em um teste na escola não coube no espaço que estávamos<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Cortamos o fio<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Saber quem era o melhor para ouvir e quem era melhor para falar<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos testes com todo o grupo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Não ouvir com clareza <o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Falar de maneira mais aberta, mais alta e mais devagar.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><strong><u><span style="font-size: x-small;">3ª Parte<o:p></o:p></span></u></strong></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">7> Para o telefone determine algumas grandezas físicas.<o:p></o:p></span></span></b></div>
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<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin: auto auto auto -0.25pt; mso-padding-alt: 0cm 3.5pt 0cm 3.5pt; mso-table-layout-alt: fixed;"><tbody>
<tr style="height: 26pt; mso-yfti-firstrow: yes; mso-yfti-irow: 0;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: black 1pt solid; height: 26pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial; font-size: 10pt;">Massa da cordinha<o:p></o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: black 1pt solid; height: 26pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento<o:p></o:p></span></span></b></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: black 1pt solid; height: 26pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Densidade linear<o:p></o:p></span></span></b></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: black 1pt solid; height: 26pt; mso-border-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 108.2pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Dimensão da abertura da latinha<o:p></o:p></span></span></b></div>
</td></tr>
<tr style="height: 52.9pt; mso-yfti-irow: 1;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 52.9pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,015<o:p></o:p></span></span></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 52.9pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="9,87 m" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">9,87 m</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente <st1:metricconverter productid="10,0 m" w:st="on">10,0 m</st1:metricconverter><o:p></o:p></span></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 52.9pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,0015198<o:p></o:p></span></span></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente<o:p></o:p></span></span></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,0015<o:p></o:p></span></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 52.9pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 108.2pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="7,0 cm" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">7,0 cm</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
</td></tr>
<tr style="height: 39pt; mso-yfti-irow: 2;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 39pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento de onda da voz do aluno escolhido<o:p></o:p></span></span></b></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 39pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Freqüência<br />do som emitido pelo aluno<o:p></o:p></span></span></b></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 39pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Velocidade<br />do som na cordinha<o:p></o:p></span></span></b></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 39pt; mso-border-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 108.2pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Número de palavras por minuto<o:p></o:p></span></span></b></div>
</td></tr>
<tr style="height: 40.75pt; mso-yfti-irow: 3; mso-yfti-lastrow: yes;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 40.75pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="1,7 m" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">1,7 m</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 40.75pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente 200 Hz<o:p></o:p></span></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 40.75pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">--------------<o:p></o:p></span></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 40.75pt; mso-border-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 108.2pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Entre <st1:metricconverter productid="26 a" w:st="on">26 a</st1:metricconverter> 45 palavras.<o:p></o:p></span></span></div>
</td></tr>
</tbody></table>
<br />
<div class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: justify;">
<br /></div>
<div class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: justify;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">8> Faça 6 testes com o telefone, e anote na tabela observações pertinentes:<o:p></o:p></span></span></b></div>
<div class="MsoNormal" style="margin: 0cm 0cm 0pt;">
<br /></div>
<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin: auto auto auto -0.25pt; mso-padding-alt: 0cm 3.5pt 0cm 3.5pt; mso-table-layout-alt: fixed;"><tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: black 1pt solid; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 66.55pt;" valign="top" width="89"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fio<o:p></o:p></span></span></b></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: black 1pt solid; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">L<o:p></o:p></span></span></b></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: black 1pt solid; mso-border-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Observações<o:p></o:p></span></span></b></div>
</td></tr>
<tr style="height: 4.5pt; mso-yfti-irow: 1; page-break-inside: avoid;"><td rowspan="3" style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 66.55pt;" valign="top" width="89"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
<h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
<h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
<h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;">Nylon<o:p></o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="5 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">5 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
</td></tr>
<tr style="height: 4.5pt; mso-yfti-irow: 2; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="10 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">10 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
</td></tr>
<tr style="height: 4.5pt; mso-yfti-irow: 3; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="15 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">15 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
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<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
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<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
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<span style="font-size: x-small;"><st1:metricconverter productid="5 m" w:st="on"><b><span style="color: black; font-family: Arial;">5 m</span></b></st1:metricconverter><b><span style="color: black; font-family: Arial;"><o:p></o:p></span></b></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som parece ficar mais comprimido, mas também parece ser mais direto. <o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></b></h4>
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<b><span style="color: black; font-family: Arial; font-size: 10pt;">Barbante<o:p></o:p></span></b></h4>
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<span style="font-size: x-small;"><st1:metricconverter productid="10 m" w:st="on"><b><span style="color: black; font-family: Arial;">10 m</span></b></st1:metricconverter><b><span style="color: black; font-family: Arial;"><o:p></o:p></span></b></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som fica um pouco abafado, mas não tanto como o de <st1:metricconverter productid="5 metros" w:st="on">5 metros</st1:metricconverter>.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></b></h4>
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<span style="font-size: x-small;"><st1:metricconverter productid="15 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">15 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som parece ficar mais aberto, mais longo, mais leve. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="18 a" w:st="on">18 a</st1:metricconverter> 37 palavras.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">9> Utilize este espaço para outros comentários de resultados do item anterior:<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 5 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> dá para entender bem, fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="23 a" w:st="on">23 a</st1:metricconverter> 38 palavras.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 10 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> dá para entender bem. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="26 a" w:st="on">26 a</st1:metricconverter> 45 palavras.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 15 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> Dá para ouvir, mas com menos clareza que os outros. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="18 a" w:st="on">18 a</st1:metricconverter> 37 palavras.<o:p></o:p></span></span></div>
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<b><u><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">4ª parte<o:p></o:p></span></span></u></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">10> Utilize o espaço para colocar as contas do item 7.<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Densidade linear: <o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Massa dividido por comprimento = 0.015 dividido por <st1:metricconverter productid="9,87 m" w:st="on">9,87 m</st1:metricconverter> (aproximadamente <st1:metricconverter productid="10,0 m" w:st="on">10,0 m</st1:metricconverter>) = 0,0015198 (aproximadamente 0,0015).<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento de onda da voz do aluno escolhido:<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><span style="font-size: x-small;">340 = --- . 200<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><span style="font-size: x-small;">--- = <st1:metricconverter productid="1,7 m" w:st="on">1,7 m</st1:metricconverter>.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">11> Faça uma descrição longa utilizando conceitos de acústica para descrever o projeto;<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">No projeto do telefone de latinha é utilizado <span style="mso-spacerun: yes;"> </span>acústica, fenômenos ondulatórios, classificação das ondas e </span><span style="color: black; font-family: Arial;">acústica é a parte da física que estuda as oscilações e ondas ocorrentes em meios elásticos, e cujas frequências estão compreendidas entre 20 e 20.000 Hz. Estas oscilações e ondas são percebidas pelo ouvido como ondas sonoras. <b><o:p></o:p></b></span></span></div>
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<a href="http://www.blogger.com/null" name="4474881242574176711"></a><span style="color: black; font-family: Arial; font-size: 10pt;">Os conceitos básicos de acústica são: onda, frequência, período e som. <o:p></o:p></span></h3>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">No projeto do telefone de latinha foram utilizados esses conceitos, os quais serão melhor explicados<span style="mso-spacerun: yes;"> </span>abaixo: <o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;">Onda</span></b><span style="color: black; font-family: Arial;">: <span style="mso-bidi-font-weight: bold;">É qualquer perturbação que se propaga através de um meio e, durante a propagação, transmite energia, e não matéria, aos pontos do meio. Que foi o que se propagou através do fio utilizado para ligar as latas.</span><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">As ondas são classificadas:</span></b><span style="color: black; font-family: Arial;"> <o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Quanto à natureza em:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas mecânicas</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São originadas pela deformação de uma região de um meio elástico e que, para se propagarem, necessitam de um meio material.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas eletromagnéticas</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São criadas a partir de cargas elétricas vibrantes, cujo movimento de vibração origina campos elétricos e magnéticos oscilantes. Essas ondas não necessitam de um meio material para se propagarem.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Quanto à direção de propagação:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas transversais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que a direção de propagação é perpendicular à direção de vibração. As ondas eletromagnéticas e as ondas numa corda são transversais.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas longitudinais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que a direção de propagação da onda coincide com a direção de vibração. O som se propagando no ar é uma onda longitudinal.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Quanto à direção de propagação:<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas unidimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas que se propagam em uma dimensão. As ondas em cordas são unidimensionais.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas bidimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas que utilizam duas dimensões para se propagar. São bidimensionais as ondas em um lago.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas tridimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que as propagações ocorrem em três dimensões. O som no ar é tridimensional.<o:p></o:p></span></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Frequência e período:<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">Período (T) é o intervalo de tempo levado pela partícula para completar uma oscilação.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">Frequência (f) é o número de oscilações realizadas por unidade de tempo.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span class="apple-style-span"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">OBS: <o:p></o:p></span></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">UNIDADES</span></span><span style="color: black; font-family: Arial;">:<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">FREQUÊNCIA(F): RPM, RPS (Hz)...</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">PERÍODO(T): min, s...</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;">Som: </span></b><span class="apple-style-span"><span style="color: black; font-family: Arial;">Onda mecânica, longitudinal e tridimensional que possue frequências audíveis para o ser humano que varia entre 16 Hz e 20 000 Hz.</span></span><span class="apple-converted-space"><span style="color: black; font-family: Arial;"> </span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Qualidades fisiológicas do som:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Altura"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Altura</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons graves (baixas frequências) dos sons agudos (altas frequências). O ouvido humano pode perceber frequências que variam de 20 Hz a 20.000 Hz. Frequências abaixo de 20 Hz são chamadas de infra-sons e frequências acima de 20.000 Hz são chamadas de ultra-sons.</span></span></span></a><span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;"> Foi utilizado na parte das vozes das pessoas que falavam no projeto.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Intensidade"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Intensidade</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons fortes dos sons fracos. A sensibilidade do ouvido humano é maior na faixa de frequências de 2.000 Hz a 4.000 Hz.</span></span></span></a><span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;"> Foi utilizado na parte da pessoa que ouve.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Timbre"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Timbre</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons de mesma altura e intensidade, mas que são produzidas por fontes sonoras distintas. O timbre do som depende do conjunto de sons secundários (harmônicos) que acompanha o som principal. </span></span></span></a><span class="apple-style-span"><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Abaixo seguem alguns dos fenômenos sonoros ondulatórios:</span></span><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> <br /><br />-Reflexão <br />-Eco <br />-Reverberação <br />-Refração <br />-Difração <br />-Interferência <br />-Ressonância <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;">-<i> </i>Reflexão:</span></b><span style="color: black; font-family: Arial;"> Quando ondas sonoras, provenientes de um ponto P encontram um obstáculo plano, rígido, e voltam.<b><o:p></o:p></b></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">A reflexão do som pode ocasionar os fenômenos eco e reverberação. <br /><br /><b><span style="mso-bidi-font-style: italic;">- Eco<i>:</i></span></b> Quando os obstáculos que refletem o som apresentam superfícies muito ásperas e o som pode é refletido, por exemplo, por <span style="mso-spacerun: yes;"> </span>um muro, uma montanha etc. <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Reverberação: </span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Ocorre em grandes salas fechadas quando há o encontro do som com as paredes. Esse encontro produz reflexões múltiplas que, além de reforçar o som, prolongam-no durante algum tempo depois de cessada a emissão. <br />É esse prolongamento que constitui a reverberação. <br /><br /><b><span style="mso-bidi-font-style: italic;">- Refração</span></b><b style="mso-bidi-font-weight: normal;">:</b> Consiste em a onda sonora passar de um meio para o outro, mudando sua velocidade de propagação e comprimento de onda, mas mantendo constante a frequência. Utilizado no fato da onda passar de uma latinha para a outra.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Difração: </span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fenômeno em que uma onda sonora pode transpor obstáculos. As ondas sonoras não se propagam somente em linha reta, mas sofrem desvios nas extremidades dos obstáculos que encontram. <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Interferência:</span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> Consiste em um recebimento de dois ou mais sons de fontes diferentes. <br />Teremos então uma região do espaço na qual, em certos pontos, ouviremos um som forte, e em outros, um som fraco ou ausência de som.<br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Ressonância:</span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> Quando um corpo começa a vibrar por influência de outro, na mesma frequência deste, ocorre um fenômeno chamado ressonância. <br />Como por exemplo: o vidro de uma janela que se quebra ao entrar em ressonância com as ondas sonoras produzidas por um avião a jato.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O projeto envolve várias dessas características, sendo que algumas delas até estão sendo citadas em outras questões.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">12> Conclusão Final:<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Conclui-se que os conceitos de acústica e onda são conceitos importantes e porque fazem parte do nosso dia a dia. A física estuda esses conceitos, e através deles foi possível aprender sobre fenômenos ondulatórios, sobre a classificação das ondas, sobre a frequência do som, principalmente com relação à voz, o que é muito interessante. A experiência de poder entender e enxergar esses conceitos na prática foi muito importante, diferente e divertida. Isso é muito bom porque pudemos aproveitar o tempo e aprender sobre algo necessário de uma maneira nova e que nos interessou muito. <o:p></o:p></span></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fontes de pesquisa de dados para o relatório:<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial;"><a href="http://mundoestranho.abril.com.br/materia/por-que-a-voz-dos-adolescentes-muda"><span style="color: black;"><span style="font-size: x-small;">http://mundoestranho.abril.com.br/materia/por-que-a-voz-dos-adolescentes-muda</span></span></a><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.aulas-fisica-quimica.com/8f_06.html"><span style="color: black;"><span style="font-size: x-small;">http://www.aulas-fisica-quimica.com/8f_06.html</span></span></a><span style="font-size: x-small;"><span style="mso-spacerun: yes;"> </span>tem boas informações<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.cursoacesso.com.br/wp-content/uploads/fenomeno.pdf"><span lang="EN-US" style="color: black; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://www.cursoacesso.com.br/wp-content/uploads/fenomeno.pdf</span></span></a></span><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;"><span style="mso-spacerun: yes;"> </span>slide legal</span><a href="http://www.blogger.com/null" name="_GoBack"></a><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><a href="http://www.fisica.net/einsteinjr/ondu.htm"><span style="color: black;"><span style="font-size: x-small;">http://www.fisica.net/einsteinjr/ondu.htm</span></span></a><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US; mso-bidi-font-size: 12.0pt; mso-bidi-font-weight: bold;"><a href="http://fisicaacustica.no.comunidades.net/"><span style="color: black;"><span style="font-size: x-small;">http://fisicaacustica.no.comunidades.net/</span></span></a><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.areaseg.com/acustica/"><span lang="EN-US" style="color: black; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://www.areaseg.com/acustica/</span></span></a></span><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://segtra.blogspot.com.br/2010/07/topicos-de-acustica-conceitos-basicos.html<o:p></o:p></span></span></div>
Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-28267602699844835202012-10-31T05:14:00.005-07:002012-10-31T05:14:55.312-07:00relatório do telefone de latinha<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin: auto auto auto -0.25pt; mso-padding-alt: 0cm 3.5pt 0cm 3.5pt; mso-table-layout-alt: fixed;"><tbody>
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<span style="color: black; mso-fareast-language: PT-BR; mso-no-proof: yes;"><v:shapetype coordsize="21600,21600" filled="f" id="_x0000_t75" o:preferrelative="t" o:spt="75" path="m@4@5l@4@11@9@11@9@5xe" stroked="f"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path gradientshapeok="t" o:connecttype="rect" o:extrusionok="f"></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype><v:shape alt="latinha1_med" id="Imagem_x0020_1" o:spid="_x0000_i1025" style="height: 77.25pt; visibility: visible; width: 102.75pt;" type="#_x0000_t75"><v:imagedata o:title="latinha1_med" src="file:///C:\DOCUME~1\Usuario\CONFIG~1\Temp\msohtml1\01\clip_image001.jpg"></v:imagedata></v:shape></span><span style="color: black;"><o:p></o:p></span></div>
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<h1 style="margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: 'Arial Black'; font-size: 18pt; font-variant: small-caps;">Iniciação Tecnológica<o:p></o:p></span></h1>
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<span style="color: black; font-family: 'Arial Black'; font-size: 14pt; font-weight: normal; mso-bidi-font-size: 16.0pt;">- Telefone de Latinha -<o:p></o:p></span></h5>
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<span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></h5>
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<span style="color: black; font-family: Arial; font-size: 10pt;">Grupo:_________8_________________<o:p></o:p></span></h5>
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<span style="color: black; font-family: 'Arial Black'; font-size: 14pt; mso-bidi-font-size: 10.0pt;">NOTA<o:p></o:p></span></h3>
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<span style="color: black; font-family: Arial; font-size: 12pt;"><u>1ª Parte<o:p></o:p></u></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Nome<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Número<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Série e Turma<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Bruna Andrade<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">10<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<tr style="mso-yfti-irow: 2;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 303.1pt;" valign="top" width="404"><div class="MsoNormal" style="layout-grid-mode: char; line-height: 150%; margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Danilo Pastorelli<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">16<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<tr style="mso-yfti-irow: 3;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 303.1pt;" valign="top" width="404"><div class="MsoNormal" style="layout-grid-mode: char; line-height: 150%; margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Jennifer Elizabeth<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">24<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Thamires Monteiro<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">44<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">1>Objetivo do Trabalho:<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Construir um telefone de latinha, utilizando 10metros de fio (barbante)<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passar o maior número de palavras pelo telefone, para a outra pessoa integrante do <span style="mso-spacerun: yes;"> </span>grupo, sendo a prova mínima, 16 palavras.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Aprender os conceitos de acústica e de onda.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">2>Descrever os Materiais Utilizados na construção do Telefone. (Todos os Materiais)<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Dez metros de barbante<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Duas latas (milho e ervilha)<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Tesoura<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Prego<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Martelo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fogo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita métrica<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Alicate<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita isolante<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita crepe<o:p></o:p></span></span></div>
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<b><u><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">3>Descreva em 8 passos a construção do telefone.<o:p></o:p></span></span></u></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- </span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">Separe os materiais necessários para a construção do telefone.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Lave e seque bem as latas.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- No caso de as latas serem de milho, ervilha e leite condensado, ou seja, terem uma parte cortante, bata na borda das latas com o martelo para que não corte ninguém.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Acenda o fogo, segure o prego com o alicate e esquente-o.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fure as latas no fundo(no centro) de maneira que o furo não fique muito grande, mas seja ideal para amarrar um fio e prendê-lo bem.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Meça dez metros de barbante e corte.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passe cada ponta do barbante pelo furo de uma latinha, então faça um nó para que o fio não escape.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passe fita isolante na borda(no lado de fora do fundo) das duas latas.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">4>Desenhe o Telefone com as duas pessoas e indique os fenômenos ondulatórios que ocorrem. Classifique de forma completa a onda existente.<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-style: italic; mso-bidi-font-weight: bold;">- Refração e</span><span style="color: black; font-family: Arial;"> <span style="mso-bidi-font-style: italic; mso-bidi-font-weight: bold;">Ressonância.</span><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">- Ondas mecânicas</span><span style="color: black; font-family: Arial;">, <span style="mso-bidi-font-weight: bold;">transversais e</span> <span style="mso-bidi-font-weight: bold;">unidimensionais.<o:p></o:p></span></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><strong><u><span style="font-size: x-small;">2ª Parte<o:p></o:p></span></u></strong></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">5> Quantos projetos foram feitos antes do definitivo: (Faça um histórico dos mesmos) (No caso de ser a primeiro e único, Justifique o porquê de não ter tentado uma evolução no projeto)<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos dois projetos. O primeiro foi com latas de milho e ervilha, com um barbante mais grosso e com fita crepe nas bordas (parte de fora do fundo das latas). O segundo, fizemos com duas latas grandes (tradicionais) de Nescau, com um barbante fino e durex nas bordas (parte de fora do fundo das latas). <o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos o teste com os dois projetos e o primeiro que fizemos foi o que funcionou melhor, então, somente trocamos a fita crepe por fita isolante e decidimos ficar com ele.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">6> Crie uma lista de problemas ocorridos no telefone e a solução que o grupo utilizou para o mesmo (Faça em forma de tabela com duas colunas).<o:p></o:p></span></u></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Problemas<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Solução<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O fio estava com dez metros, então, em um teste na escola não coube no espaço que estávamos<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Cortamos o fio<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Saber quem era o melhor para ouvir e quem era melhor para falar<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos testes com todo o grupo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Não ouvir com clareza <o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Falar de maneira mais aberta, mais alta e mais devagar.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><strong><u><span style="font-size: x-small;">3ª Parte<o:p></o:p></span></u></strong></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">7> Para o telefone determine algumas grandezas físicas.<o:p></o:p></span></span></b></div>
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<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin: auto auto auto -0.25pt; mso-padding-alt: 0cm 3.5pt 0cm 3.5pt; mso-table-layout-alt: fixed;"><tbody>
<tr style="height: 26pt; mso-yfti-firstrow: yes; mso-yfti-irow: 0;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: black 1pt solid; height: 26pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial; font-size: 10pt;">Massa da cordinha<o:p></o:p></span></b></h4>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Densidade linear<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Dimensão da abertura da latinha<o:p></o:p></span></span></b></div>
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<tr style="height: 52.9pt; mso-yfti-irow: 1;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 52.9pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,015<o:p></o:p></span></span></div>
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</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 52.9pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<span style="font-size: x-small;"><st1:metricconverter productid="9,87 m" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">9,87 m</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente <st1:metricconverter productid="10,0 m" w:st="on">10,0 m</st1:metricconverter><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,0015198<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,0015<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><st1:metricconverter productid="7,0 cm" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">7,0 cm</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento de onda da voz do aluno escolhido<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Freqüência<br />do som emitido pelo aluno<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Velocidade<br />do som na cordinha<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Número de palavras por minuto<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><st1:metricconverter productid="1,7 m" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">1,7 m</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente 200 Hz<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">--------------<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Entre <st1:metricconverter productid="26 a" w:st="on">26 a</st1:metricconverter> 45 palavras.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">8> Faça 6 testes com o telefone, e anote na tabela observações pertinentes:<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fio<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">L<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Observações<o:p></o:p></span></span></b></div>
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<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
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<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
<h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
<h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;">Nylon<o:p></o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="5 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">5 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 2; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="10 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">10 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 3; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="15 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">15 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
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<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
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<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
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<span style="font-size: x-small;"><st1:metricconverter productid="5 m" w:st="on"><b><span style="color: black; font-family: Arial;">5 m</span></b></st1:metricconverter><b><span style="color: black; font-family: Arial;"><o:p></o:p></span></b></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som parece ficar mais comprimido, mas também parece ser mais direto. <o:p></o:p></span></span></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 5; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: #ece9d8; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 4.5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 66.55pt;" valign="top" width="89"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></b></h4>
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<b><span style="color: black; font-family: Arial; font-size: 10pt;">Barbante<o:p></o:p></span></b></h4>
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<span style="font-size: x-small;"><st1:metricconverter productid="10 m" w:st="on"><b><span style="color: black; font-family: Arial;">10 m</span></b></st1:metricconverter><b><span style="color: black; font-family: Arial;"><o:p></o:p></span></b></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som fica um pouco abafado, mas não tanto como o de <st1:metricconverter productid="5 metros" w:st="on">5 metros</st1:metricconverter>.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="15 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">15 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som parece ficar mais aberto, mais longo, mais leve. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="18 a" w:st="on">18 a</st1:metricconverter> 37 palavras.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">9> Utilize este espaço para outros comentários de resultados do item anterior:<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 5 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> dá para entender bem, fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="23 a" w:st="on">23 a</st1:metricconverter> 38 palavras.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 10 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> dá para entender bem. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="26 a" w:st="on">26 a</st1:metricconverter> 45 palavras.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 15 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> Dá para ouvir, mas com menos clareza que os outros. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="18 a" w:st="on">18 a</st1:metricconverter> 37 palavras.<o:p></o:p></span></span></div>
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<b><u><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">4ª parte<o:p></o:p></span></span></u></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">10> Utilize o espaço para colocar as contas do item 7.<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Densidade linear: <o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Massa dividido por comprimento = 0.015 dividido por <st1:metricconverter productid="9,87 m" w:st="on">9,87 m</st1:metricconverter> (aproximadamente <st1:metricconverter productid="10,0 m" w:st="on">10,0 m</st1:metricconverter>) = 0,0015198 (aproximadamente 0,0015).<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento de onda da voz do aluno escolhido:<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><v:shape alt="http://www.fisica.net/einsteinjr/Image209.gif" id="Imagem_x0020_11" o:spid="_x0000_i1026" style="height: 20.25pt; visibility: visible; width: 50.25pt;" type="#_x0000_t75"><v:imagedata o:title="Image209" src="file:///C:\DOCUME~1\Usuario\CONFIG~1\Temp\msohtml1\01\clip_image003.png"><span style="font-size: x-small;"></span></v:imagedata></v:shape><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><span style="font-size: x-small;">340 = --- . 200<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><span style="font-size: x-small;">--- = <st1:metricconverter productid="1,7 m" w:st="on">1,7 m</st1:metricconverter>.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">11> Faça uma descrição longa utilizando conceitos de acústica para descrever o projeto;<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">No projeto do telefone de latinha é utilizado <span style="mso-spacerun: yes;"> </span>acústica, fenômenos ondulatórios, classificação das ondas e </span><span style="color: black; font-family: Arial;">acústica é a parte da física que estuda as oscilações e ondas ocorrentes em meios elásticos, e cujas frequências estão compreendidas entre 20 e 20.000 Hz. Estas oscilações e ondas são percebidas pelo ouvido como ondas sonoras. <b><o:p></o:p></b></span></span></div>
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<a href="http://www.blogger.com/null" name="4474881242574176711"></a><span style="color: black; font-family: Arial; font-size: 10pt;">Os conceitos básicos de acústica são: onda, frequência, período e som. <o:p></o:p></span></h3>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">No projeto do telefone de latinha foram utilizados esses conceitos, os quais serão melhor explicados<span style="mso-spacerun: yes;"> </span>abaixo: <o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;">Onda</span></b><span style="color: black; font-family: Arial;">: <span style="mso-bidi-font-weight: bold;">É qualquer perturbação que se propaga através de um meio e, durante a propagação, transmite energia, e não matéria, aos pontos do meio. Que foi o que se propagou através do fio utilizado para ligar as latas.</span><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">As ondas são classificadas:</span></b><span style="color: black; font-family: Arial;"> <o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Quanto à natureza em:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas mecânicas</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São originadas pela deformação de uma região de um meio elástico e que, para se propagarem, necessitam de um meio material.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas eletromagnéticas</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São criadas a partir de cargas elétricas vibrantes, cujo movimento de vibração origina campos elétricos e magnéticos oscilantes. Essas ondas não necessitam de um meio material para se propagarem.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Quanto à direção de propagação:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas transversais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que a direção de propagação é perpendicular à direção de vibração. As ondas eletromagnéticas e as ondas numa corda são transversais.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas longitudinais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que a direção de propagação da onda coincide com a direção de vibração. O som se propagando no ar é uma onda longitudinal.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Quanto à direção de propagação:<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas unidimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas que se propagam em uma dimensão. As ondas em cordas são unidimensionais.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas bidimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas que utilizam duas dimensões para se propagar. São bidimensionais as ondas em um lago.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas tridimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que as propagações ocorrem em três dimensões. O som no ar é tridimensional.<o:p></o:p></span></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Frequência e período:<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">Período (T) é o intervalo de tempo levado pela partícula para completar uma oscilação.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">Frequência (f) é o número de oscilações realizadas por unidade de tempo.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span class="apple-style-span"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">OBS: <o:p></o:p></span></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">UNIDADES</span></span><span style="color: black; font-family: Arial;">:<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">FREQUÊNCIA(F): RPM, RPS (Hz)...</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">PERÍODO(T): min, s...</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;">Som: </span></b><span class="apple-style-span"><span style="color: black; font-family: Arial;">Onda mecânica, longitudinal e tridimensional que possue frequências audíveis para o ser humano que varia entre 16 Hz e 20 000 Hz.</span></span><span class="apple-converted-space"><span style="color: black; font-family: Arial;"> </span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Qualidades fisiológicas do som:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Altura"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Altura</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons graves (baixas frequências) dos sons agudos (altas frequências). O ouvido humano pode perceber frequências que variam de 20 Hz a 20.000 Hz. Frequências abaixo de 20 Hz são chamadas de infra-sons e frequências acima de 20.000 Hz são chamadas de ultra-sons.</span></span></span></a><span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;"> Foi utilizado na parte das vozes das pessoas que falavam no projeto.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Intensidade"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Intensidade</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons fortes dos sons fracos. A sensibilidade do ouvido humano é maior na faixa de frequências de 2.000 Hz a 4.000 Hz.</span></span></span></a><span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;"> Foi utilizado na parte da pessoa que ouve.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Timbre"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Timbre</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons de mesma altura e intensidade, mas que são produzidas por fontes sonoras distintas. O timbre do som depende do conjunto de sons secundários (harmônicos) que acompanha o som principal. </span></span></span></a><span class="apple-style-span"><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Abaixo seguem alguns dos fenômenos sonoros ondulatórios:</span></span><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> <br /><br />-Reflexão <br />-Eco <br />-Reverberação <br />-Refração <br />-Difração <br />-Interferência <br />-Ressonância <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;">-<i> </i>Reflexão:</span></b><span style="color: black; font-family: Arial;"> Quando ondas sonoras, provenientes de um ponto P encontram um obstáculo plano, rígido, e voltam.<b><o:p></o:p></b></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">A reflexão do som pode ocasionar os fenômenos eco e reverberação. <br /><br /><b><span style="mso-bidi-font-style: italic;">- Eco<i>:</i></span></b> Quando os obstáculos que refletem o som apresentam superfícies muito ásperas e o som pode é refletido, por exemplo, por <span style="mso-spacerun: yes;"> </span>um muro, uma montanha etc. <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Reverberação: </span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Ocorre em grandes salas fechadas quando há o encontro do som com as paredes. Esse encontro produz reflexões múltiplas que, além de reforçar o som, prolongam-no durante algum tempo depois de cessada a emissão. <br />É esse prolongamento que constitui a reverberação. <br /><br /><b><span style="mso-bidi-font-style: italic;">- Refração</span></b><b style="mso-bidi-font-weight: normal;">:</b> Consiste em a onda sonora passar de um meio para o outro, mudando sua velocidade de propagação e comprimento de onda, mas mantendo constante a frequência. Utilizado no fato da onda passar de uma latinha para a outra.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Difração: </span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fenômeno em que uma onda sonora pode transpor obstáculos. As ondas sonoras não se propagam somente em linha reta, mas sofrem desvios nas extremidades dos obstáculos que encontram. <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Interferência:</span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> Consiste em um recebimento de dois ou mais sons de fontes diferentes. <br />Teremos então uma região do espaço na qual, em certos pontos, ouviremos um som forte, e em outros, um som fraco ou ausência de som.<br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Ressonância:</span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> Quando um corpo começa a vibrar por influência de outro, na mesma frequência deste, ocorre um fenômeno chamado ressonância. <br />Como por exemplo: o vidro de uma janela que se quebra ao entrar em ressonância com as ondas sonoras produzidas por um avião a jato.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O projeto envolve várias dessas características, sendo que algumas delas até estão sendo citadas em outras questões.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">12> Conclusão Final:<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Conclui-se que os conceitos de acústica e onda são conceitos importantes e porque fazem parte do nosso dia a dia. A física estuda esses conceitos, e através deles foi possível aprender sobre fenômenos ondulatórios, sobre a classificação das ondas, sobre a frequência do som, principalmente com relação à voz, o que é muito interessante. A experiência de poder entender e enxergar esses conceitos na prática foi muito importante, diferente e divertida. Isso é muito bom porque pudemos aproveitar o tempo e aprender sobre algo necessário de uma maneira nova e que nos interessou muito. <o:p></o:p></span></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fontes de pesquisa de dados para o relatório:<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial;"><a href="http://mundoestranho.abril.com.br/materia/por-que-a-voz-dos-adolescentes-muda"><span style="color: black;"><span style="font-size: x-small;">http://mundoestranho.abril.com.br/materia/por-que-a-voz-dos-adolescentes-muda</span></span></a><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.aulas-fisica-quimica.com/8f_06.html"><span style="color: black;"><span style="font-size: x-small;">http://www.aulas-fisica-quimica.com/8f_06.html</span></span></a><span style="font-size: x-small;"><span style="mso-spacerun: yes;"> </span>tem boas informações<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.cursoacesso.com.br/wp-content/uploads/fenomeno.pdf"><span lang="EN-US" style="color: black; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://www.cursoacesso.com.br/wp-content/uploads/fenomeno.pdf</span></span></a></span><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;"><span style="mso-spacerun: yes;"> </span>slide legal</span><a href="http://www.blogger.com/null" name="_GoBack"></a><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><a href="http://www.fisica.net/einsteinjr/ondu.htm"><span style="color: black;"><span style="font-size: x-small;">http://www.fisica.net/einsteinjr/ondu.htm</span></span></a><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US; mso-bidi-font-size: 12.0pt; mso-bidi-font-weight: bold;"><a href="http://fisicaacustica.no.comunidades.net/"><span style="color: black;"><span style="font-size: x-small;">http://fisicaacustica.no.comunidades.net/</span></span></a><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.areaseg.com/acustica/"><span lang="EN-US" style="color: black; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://www.areaseg.com/acustica/</span></span></a></span><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://segtra.blogspot.com.br/2010/07/topicos-de-acustica-conceitos-basicos.html<o:p></o:p></span></span></div>
Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-78868501726538142622012-10-31T05:14:00.003-07:002012-10-31T05:14:40.809-07:00relatório do telefone de latinha<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin: auto auto auto -0.25pt; mso-padding-alt: 0cm 3.5pt 0cm 3.5pt; mso-table-layout-alt: fixed;"><tbody>
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<span style="color: black; mso-fareast-language: PT-BR; mso-no-proof: yes;"><v:shapetype coordsize="21600,21600" filled="f" id="_x0000_t75" o:preferrelative="t" o:spt="75" path="m@4@5l@4@11@9@11@9@5xe" stroked="f"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path gradientshapeok="t" o:connecttype="rect" o:extrusionok="f"></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype><v:shape alt="latinha1_med" id="Imagem_x0020_1" o:spid="_x0000_i1025" style="height: 77.25pt; visibility: visible; width: 102.75pt;" type="#_x0000_t75"><v:imagedata o:title="latinha1_med" src="file:///C:\DOCUME~1\Usuario\CONFIG~1\Temp\msohtml1\01\clip_image001.jpg"></v:imagedata></v:shape></span><span style="color: black;"><o:p></o:p></span></div>
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<h1 style="margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: 'Arial Black'; font-size: 18pt; font-variant: small-caps;">Iniciação Tecnológica<o:p></o:p></span></h1>
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<span style="color: black; font-family: 'Arial Black'; font-size: 14pt; font-weight: normal; mso-bidi-font-size: 16.0pt;">- Telefone de Latinha -<o:p></o:p></span></h5>
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<span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></h5>
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<span style="color: black; font-family: Arial; font-size: 10pt;">Grupo:_________8_________________<o:p></o:p></span></h5>
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<span style="color: black; font-family: 'Arial Black'; font-size: 14pt; mso-bidi-font-size: 10.0pt;">NOTA<o:p></o:p></span></h3>
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<span style="color: black; font-family: Arial; font-size: 12pt;"><u>1ª Parte<o:p></o:p></u></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Nome<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Número<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Série e Turma<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Bruna Andrade<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">10<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<tr style="mso-yfti-irow: 2;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 303.1pt;" valign="top" width="404"><div class="MsoNormal" style="layout-grid-mode: char; line-height: 150%; margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Danilo Pastorelli<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">16<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<tr style="mso-yfti-irow: 3;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 303.1pt;" valign="top" width="404"><div class="MsoNormal" style="layout-grid-mode: char; line-height: 150%; margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Jennifer Elizabeth<o:p></o:p></span></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 49.6pt;" valign="top" width="66"><div class="MsoNormal" style="layout-grid-mode: char; line-height: 150%; margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">24<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Thamires Monteiro<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">44<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">1>Objetivo do Trabalho:<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Construir um telefone de latinha, utilizando 10metros de fio (barbante)<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passar o maior número de palavras pelo telefone, para a outra pessoa integrante do <span style="mso-spacerun: yes;"> </span>grupo, sendo a prova mínima, 16 palavras.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Aprender os conceitos de acústica e de onda.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">2>Descrever os Materiais Utilizados na construção do Telefone. (Todos os Materiais)<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Dez metros de barbante<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Duas latas (milho e ervilha)<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Tesoura<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Prego<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Martelo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fogo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita métrica<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Alicate<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita isolante<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita crepe<o:p></o:p></span></span></div>
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<b><u><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">3>Descreva em 8 passos a construção do telefone.<o:p></o:p></span></span></u></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- </span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">Separe os materiais necessários para a construção do telefone.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Lave e seque bem as latas.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- No caso de as latas serem de milho, ervilha e leite condensado, ou seja, terem uma parte cortante, bata na borda das latas com o martelo para que não corte ninguém.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Acenda o fogo, segure o prego com o alicate e esquente-o.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fure as latas no fundo(no centro) de maneira que o furo não fique muito grande, mas seja ideal para amarrar um fio e prendê-lo bem.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Meça dez metros de barbante e corte.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passe cada ponta do barbante pelo furo de uma latinha, então faça um nó para que o fio não escape.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passe fita isolante na borda(no lado de fora do fundo) das duas latas.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">4>Desenhe o Telefone com as duas pessoas e indique os fenômenos ondulatórios que ocorrem. Classifique de forma completa a onda existente.<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-style: italic; mso-bidi-font-weight: bold;">- Refração e</span><span style="color: black; font-family: Arial;"> <span style="mso-bidi-font-style: italic; mso-bidi-font-weight: bold;">Ressonância.</span><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">- Ondas mecânicas</span><span style="color: black; font-family: Arial;">, <span style="mso-bidi-font-weight: bold;">transversais e</span> <span style="mso-bidi-font-weight: bold;">unidimensionais.<o:p></o:p></span></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><strong><u><span style="font-size: x-small;">2ª Parte<o:p></o:p></span></u></strong></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">5> Quantos projetos foram feitos antes do definitivo: (Faça um histórico dos mesmos) (No caso de ser a primeiro e único, Justifique o porquê de não ter tentado uma evolução no projeto)<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos dois projetos. O primeiro foi com latas de milho e ervilha, com um barbante mais grosso e com fita crepe nas bordas (parte de fora do fundo das latas). O segundo, fizemos com duas latas grandes (tradicionais) de Nescau, com um barbante fino e durex nas bordas (parte de fora do fundo das latas). <o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos o teste com os dois projetos e o primeiro que fizemos foi o que funcionou melhor, então, somente trocamos a fita crepe por fita isolante e decidimos ficar com ele.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">6> Crie uma lista de problemas ocorridos no telefone e a solução que o grupo utilizou para o mesmo (Faça em forma de tabela com duas colunas).<o:p></o:p></span></u></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Problemas<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Solução<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O fio estava com dez metros, então, em um teste na escola não coube no espaço que estávamos<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Cortamos o fio<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Saber quem era o melhor para ouvir e quem era melhor para falar<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos testes com todo o grupo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Não ouvir com clareza <o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Falar de maneira mais aberta, mais alta e mais devagar.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><strong><u><span style="font-size: x-small;">3ª Parte<o:p></o:p></span></u></strong></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">7> Para o telefone determine algumas grandezas físicas.<o:p></o:p></span></span></b></div>
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<tr style="height: 26pt; mso-yfti-firstrow: yes; mso-yfti-irow: 0;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: black 1pt solid; height: 26pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 107.65pt;" valign="top" width="144"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial; font-size: 10pt;">Massa da cordinha<o:p></o:p></span></b></h4>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Densidade linear<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Dimensão da abertura da latinha<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,015<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><st1:metricconverter productid="9,87 m" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">9,87 m</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente <st1:metricconverter productid="10,0 m" w:st="on">10,0 m</st1:metricconverter><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,0015198<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,0015<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><st1:metricconverter productid="7,0 cm" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">7,0 cm</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento de onda da voz do aluno escolhido<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Freqüência<br />do som emitido pelo aluno<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Velocidade<br />do som na cordinha<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Número de palavras por minuto<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><st1:metricconverter productid="1,7 m" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">1,7 m</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente 200 Hz<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">--------------<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Entre <st1:metricconverter productid="26 a" w:st="on">26 a</st1:metricconverter> 45 palavras.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">8> Faça 6 testes com o telefone, e anote na tabela observações pertinentes:<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fio<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">L<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Observações<o:p></o:p></span></span></b></div>
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<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
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<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
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<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
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<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;">Nylon<o:p></o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="5 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">5 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
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<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 2; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="10 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">10 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 3; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="15 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">15 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 4; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: #ece9d8; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 4.5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 66.55pt;" valign="top" width="89"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="5 m" w:st="on"><b><span style="color: black; font-family: Arial;">5 m</span></b></st1:metricconverter><b><span style="color: black; font-family: Arial;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som parece ficar mais comprimido, mas também parece ser mais direto. <o:p></o:p></span></span></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 5; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: #ece9d8; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 4.5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 66.55pt;" valign="top" width="89"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></b></h4>
<h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial; font-size: 10pt;">Barbante<o:p></o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="10 m" w:st="on"><b><span style="color: black; font-family: Arial;">10 m</span></b></st1:metricconverter><b><span style="color: black; font-family: Arial;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som fica um pouco abafado, mas não tanto como o de <st1:metricconverter productid="5 metros" w:st="on">5 metros</st1:metricconverter>.<o:p></o:p></span></span></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 6; mso-yfti-lastrow: yes; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: #ece9d8; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 4.5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 66.55pt;" valign="top" width="89"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="15 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">15 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som parece ficar mais aberto, mais longo, mais leve. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="18 a" w:st="on">18 a</st1:metricconverter> 37 palavras.<o:p></o:p></span></span></div>
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<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin: auto auto auto -0.25pt; mso-padding-alt: 0cm 3.5pt 0cm 3.5pt; mso-table-layout-alt: fixed;"><tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0; mso-yfti-lastrow: yes;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: black 1pt solid; mso-border-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 432.75pt;" valign="top" width="577"><div class="MsoBodyText2" style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">9> Utilize este espaço para outros comentários de resultados do item anterior:<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 5 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> dá para entender bem, fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="23 a" w:st="on">23 a</st1:metricconverter> 38 palavras.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 10 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> dá para entender bem. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="26 a" w:st="on">26 a</st1:metricconverter> 45 palavras.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 15 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> Dá para ouvir, mas com menos clareza que os outros. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="18 a" w:st="on">18 a</st1:metricconverter> 37 palavras.<o:p></o:p></span></span></div>
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<b><u><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">4ª parte<o:p></o:p></span></span></u></b></div>
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<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin: auto auto auto -0.25pt; mso-padding-alt: 0cm 3.5pt 0cm 3.5pt; mso-table-layout-alt: fixed;"><tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: black 1pt solid; mso-border-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 432.75pt;" valign="top" width="577"><div class="MsoNormal" style="margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">10> Utilize o espaço para colocar as contas do item 7.<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Densidade linear: <o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Massa dividido por comprimento = 0.015 dividido por <st1:metricconverter productid="9,87 m" w:st="on">9,87 m</st1:metricconverter> (aproximadamente <st1:metricconverter productid="10,0 m" w:st="on">10,0 m</st1:metricconverter>) = 0,0015198 (aproximadamente 0,0015).<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento de onda da voz do aluno escolhido:<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><v:shape alt="http://www.fisica.net/einsteinjr/Image209.gif" id="Imagem_x0020_11" o:spid="_x0000_i1026" style="height: 20.25pt; visibility: visible; width: 50.25pt;" type="#_x0000_t75"><v:imagedata o:title="Image209" src="file:///C:\DOCUME~1\Usuario\CONFIG~1\Temp\msohtml1\01\clip_image003.png"><span style="font-size: x-small;"></span></v:imagedata></v:shape><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><span style="font-size: x-small;">340 = --- . 200<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><span style="font-size: x-small;">--- = <st1:metricconverter productid="1,7 m" w:st="on">1,7 m</st1:metricconverter>.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">11> Faça uma descrição longa utilizando conceitos de acústica para descrever o projeto;<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">No projeto do telefone de latinha é utilizado <span style="mso-spacerun: yes;"> </span>acústica, fenômenos ondulatórios, classificação das ondas e </span><span style="color: black; font-family: Arial;">acústica é a parte da física que estuda as oscilações e ondas ocorrentes em meios elásticos, e cujas frequências estão compreendidas entre 20 e 20.000 Hz. Estas oscilações e ondas são percebidas pelo ouvido como ondas sonoras. <b><o:p></o:p></b></span></span></div>
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<a href="http://www.blogger.com/null" name="4474881242574176711"></a><span style="color: black; font-family: Arial; font-size: 10pt;">Os conceitos básicos de acústica são: onda, frequência, período e som. <o:p></o:p></span></h3>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">No projeto do telefone de latinha foram utilizados esses conceitos, os quais serão melhor explicados<span style="mso-spacerun: yes;"> </span>abaixo: <o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;">Onda</span></b><span style="color: black; font-family: Arial;">: <span style="mso-bidi-font-weight: bold;">É qualquer perturbação que se propaga através de um meio e, durante a propagação, transmite energia, e não matéria, aos pontos do meio. Que foi o que se propagou através do fio utilizado para ligar as latas.</span><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">As ondas são classificadas:</span></b><span style="color: black; font-family: Arial;"> <o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Quanto à natureza em:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas mecânicas</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São originadas pela deformação de uma região de um meio elástico e que, para se propagarem, necessitam de um meio material.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas eletromagnéticas</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São criadas a partir de cargas elétricas vibrantes, cujo movimento de vibração origina campos elétricos e magnéticos oscilantes. Essas ondas não necessitam de um meio material para se propagarem.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Quanto à direção de propagação:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas transversais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que a direção de propagação é perpendicular à direção de vibração. As ondas eletromagnéticas e as ondas numa corda são transversais.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas longitudinais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que a direção de propagação da onda coincide com a direção de vibração. O som se propagando no ar é uma onda longitudinal.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Quanto à direção de propagação:<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas unidimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas que se propagam em uma dimensão. As ondas em cordas são unidimensionais.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas bidimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas que utilizam duas dimensões para se propagar. São bidimensionais as ondas em um lago.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas tridimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que as propagações ocorrem em três dimensões. O som no ar é tridimensional.<o:p></o:p></span></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Frequência e período:<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">Período (T) é o intervalo de tempo levado pela partícula para completar uma oscilação.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">Frequência (f) é o número de oscilações realizadas por unidade de tempo.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span class="apple-style-span"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">OBS: <o:p></o:p></span></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">UNIDADES</span></span><span style="color: black; font-family: Arial;">:<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">FREQUÊNCIA(F): RPM, RPS (Hz)...</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">PERÍODO(T): min, s...</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;">Som: </span></b><span class="apple-style-span"><span style="color: black; font-family: Arial;">Onda mecânica, longitudinal e tridimensional que possue frequências audíveis para o ser humano que varia entre 16 Hz e 20 000 Hz.</span></span><span class="apple-converted-space"><span style="color: black; font-family: Arial;"> </span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Qualidades fisiológicas do som:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Altura"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Altura</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons graves (baixas frequências) dos sons agudos (altas frequências). O ouvido humano pode perceber frequências que variam de 20 Hz a 20.000 Hz. Frequências abaixo de 20 Hz são chamadas de infra-sons e frequências acima de 20.000 Hz são chamadas de ultra-sons.</span></span></span></a><span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;"> Foi utilizado na parte das vozes das pessoas que falavam no projeto.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Intensidade"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Intensidade</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons fortes dos sons fracos. A sensibilidade do ouvido humano é maior na faixa de frequências de 2.000 Hz a 4.000 Hz.</span></span></span></a><span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;"> Foi utilizado na parte da pessoa que ouve.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Timbre"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Timbre</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons de mesma altura e intensidade, mas que são produzidas por fontes sonoras distintas. O timbre do som depende do conjunto de sons secundários (harmônicos) que acompanha o som principal. </span></span></span></a><span class="apple-style-span"><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Abaixo seguem alguns dos fenômenos sonoros ondulatórios:</span></span><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> <br /><br />-Reflexão <br />-Eco <br />-Reverberação <br />-Refração <br />-Difração <br />-Interferência <br />-Ressonância <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;">-<i> </i>Reflexão:</span></b><span style="color: black; font-family: Arial;"> Quando ondas sonoras, provenientes de um ponto P encontram um obstáculo plano, rígido, e voltam.<b><o:p></o:p></b></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">A reflexão do som pode ocasionar os fenômenos eco e reverberação. <br /><br /><b><span style="mso-bidi-font-style: italic;">- Eco<i>:</i></span></b> Quando os obstáculos que refletem o som apresentam superfícies muito ásperas e o som pode é refletido, por exemplo, por <span style="mso-spacerun: yes;"> </span>um muro, uma montanha etc. <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Reverberação: </span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Ocorre em grandes salas fechadas quando há o encontro do som com as paredes. Esse encontro produz reflexões múltiplas que, além de reforçar o som, prolongam-no durante algum tempo depois de cessada a emissão. <br />É esse prolongamento que constitui a reverberação. <br /><br /><b><span style="mso-bidi-font-style: italic;">- Refração</span></b><b style="mso-bidi-font-weight: normal;">:</b> Consiste em a onda sonora passar de um meio para o outro, mudando sua velocidade de propagação e comprimento de onda, mas mantendo constante a frequência. Utilizado no fato da onda passar de uma latinha para a outra.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Difração: </span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fenômeno em que uma onda sonora pode transpor obstáculos. As ondas sonoras não se propagam somente em linha reta, mas sofrem desvios nas extremidades dos obstáculos que encontram. <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Interferência:</span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> Consiste em um recebimento de dois ou mais sons de fontes diferentes. <br />Teremos então uma região do espaço na qual, em certos pontos, ouviremos um som forte, e em outros, um som fraco ou ausência de som.<br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Ressonância:</span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> Quando um corpo começa a vibrar por influência de outro, na mesma frequência deste, ocorre um fenômeno chamado ressonância. <br />Como por exemplo: o vidro de uma janela que se quebra ao entrar em ressonância com as ondas sonoras produzidas por um avião a jato.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O projeto envolve várias dessas características, sendo que algumas delas até estão sendo citadas em outras questões.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">12> Conclusão Final:<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Conclui-se que os conceitos de acústica e onda são conceitos importantes e porque fazem parte do nosso dia a dia. A física estuda esses conceitos, e através deles foi possível aprender sobre fenômenos ondulatórios, sobre a classificação das ondas, sobre a frequência do som, principalmente com relação à voz, o que é muito interessante. A experiência de poder entender e enxergar esses conceitos na prática foi muito importante, diferente e divertida. Isso é muito bom porque pudemos aproveitar o tempo e aprender sobre algo necessário de uma maneira nova e que nos interessou muito. <o:p></o:p></span></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fontes de pesquisa de dados para o relatório:<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial;"><a href="http://mundoestranho.abril.com.br/materia/por-que-a-voz-dos-adolescentes-muda"><span style="color: black;"><span style="font-size: x-small;">http://mundoestranho.abril.com.br/materia/por-que-a-voz-dos-adolescentes-muda</span></span></a><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.aulas-fisica-quimica.com/8f_06.html"><span style="color: black;"><span style="font-size: x-small;">http://www.aulas-fisica-quimica.com/8f_06.html</span></span></a><span style="font-size: x-small;"><span style="mso-spacerun: yes;"> </span>tem boas informações<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.cursoacesso.com.br/wp-content/uploads/fenomeno.pdf"><span lang="EN-US" style="color: black; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://www.cursoacesso.com.br/wp-content/uploads/fenomeno.pdf</span></span></a></span><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;"><span style="mso-spacerun: yes;"> </span>slide legal</span><a href="http://www.blogger.com/null" name="_GoBack"></a><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><a href="http://www.fisica.net/einsteinjr/ondu.htm"><span style="color: black;"><span style="font-size: x-small;">http://www.fisica.net/einsteinjr/ondu.htm</span></span></a><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US; mso-bidi-font-size: 12.0pt; mso-bidi-font-weight: bold;"><a href="http://fisicaacustica.no.comunidades.net/"><span style="color: black;"><span style="font-size: x-small;">http://fisicaacustica.no.comunidades.net/</span></span></a><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.areaseg.com/acustica/"><span lang="EN-US" style="color: black; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://www.areaseg.com/acustica/</span></span></a></span><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://segtra.blogspot.com.br/2010/07/topicos-de-acustica-conceitos-basicos.html<o:p></o:p></span></span></div>
Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-83394830882664014052012-10-31T05:14:00.001-07:002012-10-31T05:14:09.268-07:00<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin: auto auto auto -0.25pt; mso-padding-alt: 0cm 3.5pt 0cm 3.5pt; mso-table-layout-alt: fixed;"><tbody>
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<span style="color: black; mso-fareast-language: PT-BR; mso-no-proof: yes;"><v:shapetype coordsize="21600,21600" filled="f" id="_x0000_t75" o:preferrelative="t" o:spt="75" path="m@4@5l@4@11@9@11@9@5xe" stroked="f"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path gradientshapeok="t" o:connecttype="rect" o:extrusionok="f"></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype><v:shape alt="latinha1_med" id="Imagem_x0020_1" o:spid="_x0000_i1025" style="height: 77.25pt; visibility: visible; width: 102.75pt;" type="#_x0000_t75"><v:imagedata o:title="latinha1_med" src="file:///C:\DOCUME~1\Usuario\CONFIG~1\Temp\msohtml1\01\clip_image001.jpg"></v:imagedata></v:shape></span><span style="color: black;"><o:p></o:p></span></div>
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<span style="color: black; font-family: 'Arial Black'; font-size: 18pt; font-variant: small-caps;">Iniciação Tecnológica<o:p></o:p></span></h1>
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<span style="color: black; font-family: 'Arial Black'; font-size: 14pt; font-weight: normal; mso-bidi-font-size: 16.0pt;">- Telefone de Latinha -<o:p></o:p></span></h5>
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<span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></h5>
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<span style="color: black; font-family: Arial; font-size: 10pt;">Grupo:_________8_________________<o:p></o:p></span></h5>
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<span style="color: black; font-family: 'Arial Black'; font-size: 14pt; mso-bidi-font-size: 10.0pt;">NOTA<o:p></o:p></span></h3>
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<span style="color: black; font-family: Arial; font-size: 12pt;"><u>1ª Parte<o:p></o:p></u></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Nome<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Número<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Série e Turma<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Bruna Andrade<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">10<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<tr style="mso-yfti-irow: 2;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 303.1pt;" valign="top" width="404"><div class="MsoNormal" style="layout-grid-mode: char; line-height: 150%; margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Danilo Pastorelli<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">16<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<tr style="mso-yfti-irow: 3;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 303.1pt;" valign="top" width="404"><div class="MsoNormal" style="layout-grid-mode: char; line-height: 150%; margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Jennifer Elizabeth<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">24<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<tr style="mso-yfti-irow: 4;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 303.1pt;" valign="top" width="404"><div class="MsoNormal" style="layout-grid-mode: char; line-height: 150%; margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Thamires Monteiro<o:p></o:p></span></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 49.6pt;" valign="top" width="66"><div class="MsoNormal" style="layout-grid-mode: char; line-height: 150%; margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">44<o:p></o:p></span></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 80.05pt;" valign="top" width="107"><div class="MsoNormal" style="layout-grid-mode: char; line-height: 150%; margin: 0cm 0cm 0pt;">
<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">3ºD<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">1>Objetivo do Trabalho:<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Construir um telefone de latinha, utilizando 10metros de fio (barbante)<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passar o maior número de palavras pelo telefone, para a outra pessoa integrante do <span style="mso-spacerun: yes;"> </span>grupo, sendo a prova mínima, 16 palavras.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Aprender os conceitos de acústica e de onda.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">2>Descrever os Materiais Utilizados na construção do Telefone. (Todos os Materiais)<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Dez metros de barbante<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Duas latas (milho e ervilha)<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Tesoura<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Prego<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Martelo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fogo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita métrica<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Alicate<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita isolante<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fita crepe<o:p></o:p></span></span></div>
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<b><u><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">3>Descreva em 8 passos a construção do telefone.<o:p></o:p></span></span></u></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- </span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">Separe os materiais necessários para a construção do telefone.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Lave e seque bem as latas.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- No caso de as latas serem de milho, ervilha e leite condensado, ou seja, terem uma parte cortante, bata na borda das latas com o martelo para que não corte ninguém.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Acenda o fogo, segure o prego com o alicate e esquente-o.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Fure as latas no fundo(no centro) de maneira que o furo não fique muito grande, mas seja ideal para amarrar um fio e prendê-lo bem.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Meça dez metros de barbante e corte.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passe cada ponta do barbante pelo furo de uma latinha, então faça um nó para que o fio não escape.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">- Passe fita isolante na borda(no lado de fora do fundo) das duas latas.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">4>Desenhe o Telefone com as duas pessoas e indique os fenômenos ondulatórios que ocorrem. Classifique de forma completa a onda existente.<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-style: italic; mso-bidi-font-weight: bold;">- Refração e</span><span style="color: black; font-family: Arial;"> <span style="mso-bidi-font-style: italic; mso-bidi-font-weight: bold;">Ressonância.</span><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">- Ondas mecânicas</span><span style="color: black; font-family: Arial;">, <span style="mso-bidi-font-weight: bold;">transversais e</span> <span style="mso-bidi-font-weight: bold;">unidimensionais.<o:p></o:p></span></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><strong><u><span style="font-size: x-small;">2ª Parte<o:p></o:p></span></u></strong></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">5> Quantos projetos foram feitos antes do definitivo: (Faça um histórico dos mesmos) (No caso de ser a primeiro e único, Justifique o porquê de não ter tentado uma evolução no projeto)<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos dois projetos. O primeiro foi com latas de milho e ervilha, com um barbante mais grosso e com fita crepe nas bordas (parte de fora do fundo das latas). O segundo, fizemos com duas latas grandes (tradicionais) de Nescau, com um barbante fino e durex nas bordas (parte de fora do fundo das latas). <o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos o teste com os dois projetos e o primeiro que fizemos foi o que funcionou melhor, então, somente trocamos a fita crepe por fita isolante e decidimos ficar com ele.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">6> Crie uma lista de problemas ocorridos no telefone e a solução que o grupo utilizou para o mesmo (Faça em forma de tabela com duas colunas).<o:p></o:p></span></u></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Problemas<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Solução<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O fio estava com dez metros, então, em um teste na escola não coube no espaço que estávamos<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Cortamos o fio<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Saber quem era o melhor para ouvir e quem era melhor para falar<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Fizemos testes com todo o grupo<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Não ouvir com clareza <o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Falar de maneira mais aberta, mais alta e mais devagar.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><strong><u><span style="font-size: x-small;">3ª Parte<o:p></o:p></span></u></strong></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">7> Para o telefone determine algumas grandezas físicas.<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial; font-size: 10pt;">Massa da cordinha<o:p></o:p></span></b></h4>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Densidade linear<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Dimensão da abertura da latinha<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,015<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><st1:metricconverter productid="9,87 m" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">9,87 m</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente <st1:metricconverter productid="10,0 m" w:st="on">10,0 m</st1:metricconverter><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,0015198<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">0,0015<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><st1:metricconverter productid="7,0 cm" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">7,0 cm</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento de onda da voz do aluno escolhido<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Freqüência<br />do som emitido pelo aluno<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Velocidade<br />do som na cordinha<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Número de palavras por minuto<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><st1:metricconverter productid="1,7 m" w:st="on"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">1,7 m</span></st1:metricconverter><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Aproximadamente 200 Hz<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">--------------<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Entre <st1:metricconverter productid="26 a" w:st="on">26 a</st1:metricconverter> 45 palavras.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">8> Faça 6 testes com o telefone, e anote na tabela observações pertinentes:<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fio<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">L<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Observações<o:p></o:p></span></span></b></div>
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<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
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<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
<h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
<h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;">Nylon<o:p></o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="5 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">5 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<br /></div>
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<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 2; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="10 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">10 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 3; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="15 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">15 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-bottom-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-right-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">----------------------<o:p></o:p></span></span></b></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 4; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: #ece9d8; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 4.5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 66.55pt;" valign="top" width="89"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span lang="EN-US" style="color: black; font-family: Arial; font-size: 10pt; mso-ansi-language: EN-US;"><o:p> </o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="5 m" w:st="on"><b><span style="color: black; font-family: Arial;">5 m</span></b></st1:metricconverter><b><span style="color: black; font-family: Arial;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som parece ficar mais comprimido, mas também parece ser mais direto. <o:p></o:p></span></span></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 5; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: #ece9d8; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 4.5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 66.55pt;" valign="top" width="89"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></b></h4>
<h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial; font-size: 10pt;">Barbante<o:p></o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="10 m" w:st="on"><b><span style="color: black; font-family: Arial;">10 m</span></b></st1:metricconverter><b><span style="color: black; font-family: Arial;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som fica um pouco abafado, mas não tanto como o de <st1:metricconverter productid="5 metros" w:st="on">5 metros</st1:metricconverter>.<o:p></o:p></span></span></div>
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<tr style="height: 4.5pt; mso-yfti-irow: 6; mso-yfti-lastrow: yes; page-break-inside: avoid;"><td style="background-color: transparent; border-bottom: #ece9d8; border-left: black 1pt solid; border-right: #ece9d8; border-top: #ece9d8; height: 4.5pt; mso-border-left-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 66.55pt;" valign="top" width="89"><h4 style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial; font-size: 10pt;"><o:p> </o:p></span></b></h4>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 72.9pt;" valign="top" width="97"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
<span style="font-size: x-small;"><st1:metricconverter productid="15 m" w:st="on"><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;">15 m</span></b></st1:metricconverter><b><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></b></span></div>
</td><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: #ece9d8; border-right: black 1pt solid; border-top: #ece9d8; height: 4.5pt; mso-border-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 293.3pt;" valign="top" width="391"><div align="center" class="MsoNormal" style="layout-grid-mode: char; margin: 0cm 0cm 0pt; text-align: center;">
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O som parece ficar mais aberto, mais longo, mais leve. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="18 a" w:st="on">18 a</st1:metricconverter> 37 palavras.<o:p></o:p></span></span></div>
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<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0; mso-yfti-lastrow: yes;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: black 1pt solid; mso-border-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 432.75pt;" valign="top" width="577"><div class="MsoBodyText2" style="layout-grid-mode: char; margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">9> Utilize este espaço para outros comentários de resultados do item anterior:<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 5 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> dá para entender bem, fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="23 a" w:st="on">23 a</st1:metricconverter> 38 palavras.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 10 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> dá para entender bem. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="26 a" w:st="on">26 a</st1:metricconverter> 45 palavras.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">- 15 metros:</span></b><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"> Dá para ouvir, mas com menos clareza que os outros. Fizemos o teste e conseguimos passar em 1 minuto entre <st1:metricconverter productid="18 a" w:st="on">18 a</st1:metricconverter> 37 palavras.<o:p></o:p></span></span></div>
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<b><u><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">4ª parte<o:p></o:p></span></span></u></b></div>
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<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin: auto auto auto -0.25pt; mso-padding-alt: 0cm 3.5pt 0cm 3.5pt; mso-table-layout-alt: fixed;"><tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;"><td style="background-color: transparent; border-bottom: black 1pt solid; border-left: black 1pt solid; border-right: black 1pt solid; border-top: black 1pt solid; mso-border-alt: solid black .5pt; padding-bottom: 0cm; padding-left: 3.5pt; padding-right: 3.5pt; padding-top: 0cm; width: 432.75pt;" valign="top" width="577"><div class="MsoNormal" style="margin: 0cm 0cm 0pt;">
<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">10> Utilize o espaço para colocar as contas do item 7.<o:p></o:p></span></span></b></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Densidade linear: <o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Massa dividido por comprimento = 0.015 dividido por <st1:metricconverter productid="9,87 m" w:st="on">9,87 m</st1:metricconverter> (aproximadamente <st1:metricconverter productid="10,0 m" w:st="on">10,0 m</st1:metricconverter>) = 0,0015198 (aproximadamente 0,0015).<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Comprimento de onda da voz do aluno escolhido:<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><v:shape alt="http://www.fisica.net/einsteinjr/Image209.gif" id="Imagem_x0020_11" o:spid="_x0000_i1026" style="height: 20.25pt; visibility: visible; width: 50.25pt;" type="#_x0000_t75"><v:imagedata o:title="Image209" src="file:///C:\DOCUME~1\Usuario\CONFIG~1\Temp\msohtml1\01\clip_image003.png"><span style="font-size: x-small;"></span></v:imagedata></v:shape><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><span style="font-size: x-small;">340 = --- . 200<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-fareast-language: PT-BR; mso-no-proof: yes;"><span style="font-size: x-small;">--- = <st1:metricconverter productid="1,7 m" w:st="on">1,7 m</st1:metricconverter>.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">11> Faça uma descrição longa utilizando conceitos de acústica para descrever o projeto;<o:p></o:p></span></u></span></b></div>
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<span style="font-size: x-small;"><span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;">No projeto do telefone de latinha é utilizado <span style="mso-spacerun: yes;"> </span>acústica, fenômenos ondulatórios, classificação das ondas e </span><span style="color: black; font-family: Arial;">acústica é a parte da física que estuda as oscilações e ondas ocorrentes em meios elásticos, e cujas frequências estão compreendidas entre 20 e 20.000 Hz. Estas oscilações e ondas são percebidas pelo ouvido como ondas sonoras. <b><o:p></o:p></b></span></span></div>
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<a href="http://www.blogger.com/null" name="4474881242574176711"></a><span style="color: black; font-family: Arial; font-size: 10pt;">Os conceitos básicos de acústica são: onda, frequência, período e som. <o:p></o:p></span></h3>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">No projeto do telefone de latinha foram utilizados esses conceitos, os quais serão melhor explicados<span style="mso-spacerun: yes;"> </span>abaixo: <o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;">Onda</span></b><span style="color: black; font-family: Arial;">: <span style="mso-bidi-font-weight: bold;">É qualquer perturbação que se propaga através de um meio e, durante a propagação, transmite energia, e não matéria, aos pontos do meio. Que foi o que se propagou através do fio utilizado para ligar as latas.</span><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">As ondas são classificadas:</span></b><span style="color: black; font-family: Arial;"> <o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Quanto à natureza em:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas mecânicas</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São originadas pela deformação de uma região de um meio elástico e que, para se propagarem, necessitam de um meio material.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas eletromagnéticas</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São criadas a partir de cargas elétricas vibrantes, cujo movimento de vibração origina campos elétricos e magnéticos oscilantes. Essas ondas não necessitam de um meio material para se propagarem.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Quanto à direção de propagação:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas transversais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que a direção de propagação é perpendicular à direção de vibração. As ondas eletromagnéticas e as ondas numa corda são transversais.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas longitudinais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que a direção de propagação da onda coincide com a direção de vibração. O som se propagando no ar é uma onda longitudinal.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Quanto à direção de propagação:<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas unidimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas que se propagam em uma dimensão. As ondas em cordas são unidimensionais.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas bidimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas que utilizam duas dimensões para se propagar. São bidimensionais as ondas em um lago.<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Ondas tridimensionais</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">São aquelas em que as propagações ocorrem em três dimensões. O som no ar é tridimensional.<o:p></o:p></span></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Frequência e período:<o:p></o:p></span></span></b></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">Período (T) é o intervalo de tempo levado pela partícula para completar uma oscilação.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">Frequência (f) é o número de oscilações realizadas por unidade de tempo.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span class="apple-style-span"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">OBS: <o:p></o:p></span></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">UNIDADES</span></span><span style="color: black; font-family: Arial;">:<o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">FREQUÊNCIA(F): RPM, RPS (Hz)...</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;">PERÍODO(T): min, s...</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;">Som: </span></b><span class="apple-style-span"><span style="color: black; font-family: Arial;">Onda mecânica, longitudinal e tridimensional que possue frequências audíveis para o ser humano que varia entre 16 Hz e 20 000 Hz.</span></span><span class="apple-converted-space"><span style="color: black; font-family: Arial;"> </span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial;">Qualidades fisiológicas do som:</span></b><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Altura"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Altura</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons graves (baixas frequências) dos sons agudos (altas frequências). O ouvido humano pode perceber frequências que variam de 20 Hz a 20.000 Hz. Frequências abaixo de 20 Hz são chamadas de infra-sons e frequências acima de 20.000 Hz são chamadas de ultra-sons.</span></span></span></a><span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;"> Foi utilizado na parte das vozes das pessoas que falavam no projeto.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Intensidade"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Intensidade</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons fortes dos sons fracos. A sensibilidade do ouvido humano é maior na faixa de frequências de 2.000 Hz a 4.000 Hz.</span></span></span></a><span style="font-size: x-small;"><span class="apple-style-span"><span style="color: black; font-family: Arial;"> Foi utilizado na parte da pessoa que ouve.</span></span><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<a href="http://www.blogger.com/null" name="Timbre"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"><span style="mso-field-code: ' HYPERLINK ''';"><span class="apple-style-span"><b>Timbre</b></span></span><span class="apple-style-span">- É a qualidade que permite distinguir sons de mesma altura e intensidade, mas que são produzidas por fontes sonoras distintas. O timbre do som depende do conjunto de sons secundários (harmônicos) que acompanha o som principal. </span></span></span></a><span class="apple-style-span"><span style="color: black; font-family: Arial;"><o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Abaixo seguem alguns dos fenômenos sonoros ondulatórios:</span></span><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> <br /><br />-Reflexão <br />-Eco <br />-Reverberação <br />-Refração <br />-Difração <br />-Interferência <br />-Ressonância <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<span style="font-size: x-small;"><b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;">-<i> </i>Reflexão:</span></b><span style="color: black; font-family: Arial;"> Quando ondas sonoras, provenientes de um ponto P encontram um obstáculo plano, rígido, e voltam.<b><o:p></o:p></b></span></span></div>
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<span style="color: black; font-family: Arial;"><span style="font-size: x-small;">A reflexão do som pode ocasionar os fenômenos eco e reverberação. <br /><br /><b><span style="mso-bidi-font-style: italic;">- Eco<i>:</i></span></b> Quando os obstáculos que refletem o som apresentam superfícies muito ásperas e o som pode é refletido, por exemplo, por <span style="mso-spacerun: yes;"> </span>um muro, uma montanha etc. <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Reverberação: </span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Ocorre em grandes salas fechadas quando há o encontro do som com as paredes. Esse encontro produz reflexões múltiplas que, além de reforçar o som, prolongam-no durante algum tempo depois de cessada a emissão. <br />É esse prolongamento que constitui a reverberação. <br /><br /><b><span style="mso-bidi-font-style: italic;">- Refração</span></b><b style="mso-bidi-font-weight: normal;">:</b> Consiste em a onda sonora passar de um meio para o outro, mudando sua velocidade de propagação e comprimento de onda, mas mantendo constante a frequência. Utilizado no fato da onda passar de uma latinha para a outra.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Difração: </span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fenômeno em que uma onda sonora pode transpor obstáculos. As ondas sonoras não se propagam somente em linha reta, mas sofrem desvios nas extremidades dos obstáculos que encontram. <br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Interferência:</span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> Consiste em um recebimento de dois ou mais sons de fontes diferentes. <br />Teremos então uma região do espaço na qual, em certos pontos, ouviremos um som forte, e em outros, um som fraco ou ausência de som.<br style="mso-special-character: line-break;" /><br style="mso-special-character: line-break;" /><o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial; mso-bidi-font-style: italic;"><span style="font-size: x-small;">- Ressonância:</span></span></b><span style="color: black; font-family: Arial;"><span style="font-size: x-small;"> Quando um corpo começa a vibrar por influência de outro, na mesma frequência deste, ocorre um fenômeno chamado ressonância. <br />Como por exemplo: o vidro de uma janela que se quebra ao entrar em ressonância com as ondas sonoras produzidas por um avião a jato.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">O projeto envolve várias dessas características, sendo que algumas delas até estão sendo citadas em outras questões.<o:p></o:p></span></span></div>
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<b><span style="color: black; font-family: Arial;"><u><span style="font-size: x-small;">12> Conclusão Final:<o:p></o:p></span></u></span></b></div>
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<span style="color: black; font-family: Arial; mso-bidi-font-weight: bold;"><span style="font-size: x-small;">Conclui-se que os conceitos de acústica e onda são conceitos importantes e porque fazem parte do nosso dia a dia. A física estuda esses conceitos, e através deles foi possível aprender sobre fenômenos ondulatórios, sobre a classificação das ondas, sobre a frequência do som, principalmente com relação à voz, o que é muito interessante. A experiência de poder entender e enxergar esses conceitos na prática foi muito importante, diferente e divertida. Isso é muito bom porque pudemos aproveitar o tempo e aprender sobre algo necessário de uma maneira nova e que nos interessou muito. <o:p></o:p></span></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: Arial;"><span style="font-size: x-small;">Fontes de pesquisa de dados para o relatório:<o:p></o:p></span></span></b></div>
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<span style="color: black; font-family: Arial;"><a href="http://mundoestranho.abril.com.br/materia/por-que-a-voz-dos-adolescentes-muda"><span style="color: black;"><span style="font-size: x-small;">http://mundoestranho.abril.com.br/materia/por-que-a-voz-dos-adolescentes-muda</span></span></a><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.aulas-fisica-quimica.com/8f_06.html"><span style="color: black;"><span style="font-size: x-small;">http://www.aulas-fisica-quimica.com/8f_06.html</span></span></a><span style="font-size: x-small;"><span style="mso-spacerun: yes;"> </span>tem boas informações<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.cursoacesso.com.br/wp-content/uploads/fenomeno.pdf"><span lang="EN-US" style="color: black; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://www.cursoacesso.com.br/wp-content/uploads/fenomeno.pdf</span></span></a></span><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;"><span style="mso-spacerun: yes;"> </span>slide legal</span><a href="http://www.blogger.com/null" name="_GoBack"></a><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><a href="http://www.fisica.net/einsteinjr/ondu.htm"><span style="color: black;"><span style="font-size: x-small;">http://www.fisica.net/einsteinjr/ondu.htm</span></span></a><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US; mso-bidi-font-size: 12.0pt; mso-bidi-font-weight: bold;"><a href="http://fisicaacustica.no.comunidades.net/"><span style="color: black;"><span style="font-size: x-small;">http://fisicaacustica.no.comunidades.net/</span></span></a><o:p></o:p></span></div>
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<span style="color: black; font-family: Arial;"><a href="http://www.areaseg.com/acustica/"><span lang="EN-US" style="color: black; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://www.areaseg.com/acustica/</span></span></a></span><span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><o:p></o:p></span></div>
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<span lang="EN-US" style="color: black; font-family: Arial; mso-ansi-language: EN-US;"><span style="font-size: x-small;">http://segtra.blogspot.com.br/2010/07/topicos-de-acustica-conceitos-basicos.html<o:p></o:p></span></span></div>
Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-44626280512379307412012-08-01T13:01:00.000-07:002012-08-01T13:01:54.461-07:00Professor da UFMG recebe prêmio internacional por contribuição em nanociência<div style="font-size: 17px; line-height: 22px; margin-bottom: 30px;">
O físico Ado Jório de Vasconselos, professor titular da Universidade Federal de Minas Gerais(UFMG), ganhou o prêmio ICTP 2011, que distingue contribuições originais em física e matemática feitas por cientistas com menos de 40 anos de idade de países em desenvolvimento. </div>
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O prêmio é concedido desde 1982 pelo The Abdus Salam International Centre for Theoretical Physics (ICPT), com sede em Trieste, na Itália, uma tradicional instituição de pesquisa em física teórica e matemática mantida pelo governo italiano, a Agência Internacional de Energia Nuclear (Aiea) e a Unesco. O ICTP reconheceu o trabalho do pesquisador mineiro com a aplicação de uma técnica conhecida como espectroscopia Raman na identificação das propriedades de nanotubos de carbono.</div>
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Erio Tosatti, cientista do ICTP disse que "o trabalho de Jório é um exemplo para muitos de seu continente e fora dele", ao justificar a premiação, Erio diz também que “É pouco comum encontrar trabalhos experimentais de alto nível em países em desenvolvimento, pela dificuldade de trabalhar num ambiente de poucos recursos.” </div>
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É a quarta vez que um brasileiro ganha o Prêmio ICTP. Em 1992 foi concedido para Elcio Abdalla e, em 1984, a Ricardo Osório Galvão, ambos do Instituto de Física da Universidade de São Paulo, e, em 1988, entregue a José Nelson Onuchic, ex-professor do Instituto de Física de São Carlos, da USP, e atualmente pesquisador da Universidade da Califórnia em San Diego.</div>
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<span style="color: black;"> fonte: <a href="http://revistapesquisa.fapesp.br/2012/06/14/laser-sobre-os-nanotubos/"><span style="color: black;">http://revistapesquisa.fapesp.br/2012/06/14/laser-sobre-os-nanotubos/</span></a></span></div>Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-42257611930300393542012-08-01T11:14:00.000-07:002012-08-01T11:14:11.698-07:00Relatório do Robô Gladiador<br />
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<span style="font-family: Times, Times New Roman, serif;"><span style="font-size: 11pt;">1. </span><span style="font-size: x-small;">Descreva a construção do robô</span></span></h2>
<span style="font-family: Times, Times New Roman, serif; font-size: 11pt;">· Separar as peças de papelão de
acordo com suas dimensões corretas e montar o chassi;<o:p></o:p></span><br />
<span style="font-family: Times, Times New Roman, serif; font-size: 11pt;">· Cortar o papelão de acordo com
as medidas indicadas na montagem;<o:p></o:p></span><br />
<span style="font-family: Times, Times New Roman, serif; font-size: 11pt;">· Colar os papelões em lugares
corretos, montando assim o chassi;<o:p></o:p></span><br />
<span style="font-family: Times, Times New Roman, serif; font-size: 11pt;">· Fazer a colagem da roda da
frente e das rodas feitas com CD atrás;<o:p></o:p></span><br />
<span style="font-family: Times, Times New Roman, serif; font-size: 11pt;">· Colocar os espetos no escudo,
colocando uma proteção nele;<o:p></o:p></span><br />
<span style="font-family: Times, Times New Roman, serif; font-size: 11pt;">· Separar a chave e fazer a
soldagem dos fios em ordem correta para a montagem do controle do robô;<o:p></o:p></span><br />
<span style="font-family: Times, Times New Roman, serif; font-size: 11pt;">· Soldar o circuito ao motor e a
fonte das pilhas;<o:p></o:p></span><br />
<span style="font-family: Times, Times New Roman, serif; font-size: 11pt;">· Prender os eixos e os motores
no chassi;<o:p></o:p></span><br />
<span style="font-family: Times, Times New Roman, serif; font-size: 11pt;">· Colar o motor na suspenção;<o:p></o:p></span><br />
<span style="font-family: Times, Times New Roman, serif; font-size: 11pt;">· A única mudança que nós
fizemos, foi a troca da caixinha, que colocamos uma caixinha de óculos no lugar
da outra.<o:p></o:p></span><br />
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<span style="font-family: Times, Times New Roman, serif;">2.<span style="background-color: white; font-size: 11pt; line-height: 150%;">Faça uma tabela de problemas e soluções na construção do robô.</span></span></div>
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<span style="font-family: Times, Times New Roman, serif;">Problema</span></div>
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<span style="font-family: Times, Times New Roman, serif;">Solução</span></div>
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<span style="font-family: Times, Times New Roman, serif;">Roda estava saindo</span></div>
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<span style="font-family: Times, Times New Roman, serif;">Colamos com a cola super-bonder</span></div>
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<span style="font-family: Times, Times New Roman, serif;">Os espetos não estavam estourando
a bexiga</span></div>
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<span style="font-family: Times, Times New Roman, serif;">Colamos de modo que estora a
bexiga</span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="background: white; color: #222222; mso-bidi-font-weight: bold; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">3<b> - </b></span><span style="background-color: white; color: #222222;">O seu robô é capaz de fazer um 8?</span><span style="color: #222222;"> Em quanto tempo<span style="background: white;">?</span></span></span></div>
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<b><span style="color: #222222; font-family: Times, Times New Roman, serif; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;"><o:p></o:p></span></b></div>
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<span style="color: #222222; font-family: Times, Times New Roman, serif; mso-bidi-font-weight: bold; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Sim, realizamos em 45 segundos.<o:p></o:p></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="color: #222222; mso-bidi-font-weight: bold; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">4. </span><span style="background-color: white; color: #2a2a2a;">Cite 5 conceitos físicos relacionados ao robô gladiador e descreva onde se aplica o conceito no seu robô: </span></span></div>
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</span></span><u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Condução elétrica:</span></u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;"> onde o fio fazia as ligações;<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="color: #2a2a2a; font-size: 10.0pt; mso-bidi-font-family: Symbol; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: Symbol; mso-fareast-language: PT-BR;">·<span style="font-size: 7pt; line-height: normal;">
</span></span><u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Potência: </span></u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">no motor;<o:p></o:p></span></span></div>
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</span></span><u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Forças de atração: </span></u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">o motor com o CD e o CD com o chão;<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="color: #2a2a2a; font-size: 10.0pt; mso-bidi-font-family: Symbol; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: Symbol; mso-fareast-language: PT-BR;">·<span style="font-size: 7pt; line-height: normal;">
</span></span><u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Força magnética:</span></u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;"> em torno de fios elétricos;<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="color: #2a2a2a; font-size: 10.0pt; mso-bidi-font-family: Symbol; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: Symbol; mso-fareast-language: PT-BR;">·<span style="font-size: 7pt; line-height: normal;">
</span></span><u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Pressão:</span></u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;"> quando a agulha estoura a bexiga.<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="color: #2a2a2a; font-size: 10.0pt; mso-bidi-font-family: Symbol; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: Symbol; mso-fareast-language: PT-BR;">·<span style="font-size: 7pt; line-height: normal;">
</span></span><u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Condução elétrica: </span></u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">ela é usada para especificar um caráter elétrico de um material
específico. Ela é inversamente proporcional a resistividade e indica com a qual
um material é capaz de conduzir uma corrente elétrica;<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="color: #2a2a2a; font-size: 10.0pt; mso-bidi-font-family: Symbol; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: Symbol; mso-fareast-language: PT-BR;">·<span style="font-size: 7pt; line-height: normal;">
</span></span><u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Força de atração: </span></u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">um dos exemplos de força de atração é a gravidade, onde os materiais
exercem essa força sobre os outros. Ela é descrita pela Lei de Newton da gravitação
universal.<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><br /></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="color: #2a2a2a; font-size: 10.0pt; mso-bidi-font-family: Symbol; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: Symbol; mso-fareast-language: PT-BR;">·<span style="font-size: 7pt; line-height: normal;">
</span></span><u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Potência:</span></u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;"> Potência é a grandeza que determina a quantidade de energia
concedida por uma fonte a cada unidade de tempo. Em outros termos, potência é a
rapidez com a qual certa quantidade de energia é transformada ou é a rapidez
com que o trabalho é realizado.<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="color: #2a2a2a; font-size: 10.0pt; mso-bidi-font-family: Symbol; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: Symbol; mso-fareast-language: PT-BR;">·<span style="font-size: 7pt; line-height: normal;">
</span></span><u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Magnetismo:</span></u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;"> É a denominação associada ao fenômeno ou conjunto de fenômenos
naturais relacionados à repulsão ou atração observada em determinados objetos –
particularmente intensas a matérias como o imã ou materiais magnéticos, estabelecendo
entre si cargas elétricas, mesmo em movimento.<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">Pressão:</span></u><span style="color: #2a2a2a; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;"> ela define-se em 3 grupos:<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">A <b>pressão
relativa</b> define-se como a diferença entre a pressão absoluta e a
pressão atmosférica. Os aparelhos destinados a medir a pressão relativa são o manômetro e
também o </span><a href="http://pt.wikipedia.org/wiki/Piez%C3%B4metro" target="_blank" title="Piezômetro"><span style="color: windowtext; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR; text-decoration: none; text-underline: none;">piezômetro</span></a><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">.<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">A <b>pressão
atmosférica</b> mede-se com um </span><a href="http://pt.wikipedia.org/wiki/Bar%C3%B4metro" target="_blank" title="Barômetro"><span style="color: windowtext; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR; text-decoration: none; text-underline: none;">barômetro</span></a><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">, inventado
por </span><a href="http://pt.wikipedia.org/wiki/Evangelista_Torricelli" target="_blank" title="Evangelista Torricelli"><span style="color: windowtext; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR; text-decoration: none; text-underline: none;">Torricelli</span></a><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">.<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">O termo <b>pressão
hidráulica</b> (embora na origem relacionado com sistemas utilizando-se ou
baseados em água) refere-se a pressões transmitidas por fluidos, como </span><a href="http://pt.wikipedia.org/wiki/%C3%93leo" target="_blank" title="Óleo"><span style="color: windowtext; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR; text-decoration: none; text-underline: none;">óleos</span></a><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">, em
especial, em </span><a href="http://pt.wikipedia.org/wiki/M%C3%A1quina_hidr%C3%A1ulica" target="_blank" title="Máquina hidráulica"><span style="color: windowtext; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR; text-decoration: none; text-underline: none;">máquinas hidráulicas</span></a><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">, em </span><a href="http://pt.wikipedia.org/wiki/Cilindro_hidr%C3%A1ulico" target="_blank" title="Cilindro hidráulico"><span style="color: windowtext; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR; text-decoration: none; text-underline: none;">cilindros hidráulicos</span></a><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;"> (como nos </span><a href="http://pt.wikipedia.org/wiki/Macaco_hidr%C3%A1ulico" target="_blank" title="Macaco hidráulico"><span style="color: windowtext; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR; text-decoration: none; text-underline: none;">macacos hidráulicos</span></a><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;"> e </span><a href="http://pt.wikipedia.org/wiki/Freio" target="_blank" title="Freio"><span style="color: windowtext; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR; text-decoration: none; text-underline: none;">freios hidráulicos de veículos</span></a><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">), em
fenômenos relacionados com o </span><a href="http://pt.wikipedia.org/wiki/Princ%C3%ADpio_de_Pascal" target="_blank" title="Princípio de Pascal"><span style="color: windowtext; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR; text-decoration: none; text-underline: none;">princípio de Pascal</span></a><span style="mso-fareast-font-family: "Times New Roman"; mso-fareast-language: PT-BR;">, etc., em que variações de pressão sofridos por um
volume de um líquido são transmitidos integralmente a todos os pontos deste
líquido e às paredes do recipiente onde este está contido.<o:p></o:p></span></span></div>
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<span style="font-family: Times, Times New Roman, serif;">6.<b><span style="background-color: white; background-position: initial initial; background-repeat: initial initial;"> </span></b><span style="background-color: white; font-size: 11pt; line-height: 150%;">Qual a função de cada elemento do grupo no projeto do robô gladiador?</span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"> Bruna, Danilo: corte
do papelão, medidas, colar os papelões e parte mecânica</span></div>
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<span style="font-family: Times, Times New Roman, serif;"> Jennifer, Thamires:
construção do controle e parte elétrica.</span></div>
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<span style="font-family: Times, Times New Roman, serif;"><br /></span></div>
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<span style="font-family: Times, Times New Roman, serif;">7.<b><span style="background-color: white; background-position: initial initial; background-repeat: initial initial;"> </span></b><span style="background-color: white;">Qual o nome do seu robô e por que ele possui esse nome?</span></span></div>
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<span style="background-color: white; background-position: initial initial; background-repeat: initial initial; font-family: Times, Times New Roman, serif;"><o:p></o:p></span></div>
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<b><span style="background-color: white; background-position: initial initial; background-repeat: initial initial; font-family: Times, Times New Roman, serif;"> (Lembre-se
que o nome deverá estar escrito no robô)</span></b></div>
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<span style="font-family: Times, Times New Roman, serif;"> O nome do robô é
Nero. O nome foi escolhido por ser um dos maiores gladiadores famosos</span></div>
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<span style="font-family: Times, Times New Roman, serif;"><br /></span></div>
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<span style="font-family: Times, Times New Roman, serif;">8.<span style="background-color: white;"><b> </b>Descreva o gasto que o grupo teve de forma detalhada</span><span style="background-color: white;">.</span></span></div>
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<span style="font-family: Times, Times New Roman, serif;"> R$ 40,00: compra do
kit</span></div>
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<span style="font-family: Times, Times New Roman, serif;">R$ 1,00: compra do tubo de cola quente</span></div>
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<span style="font-family: Times, Times New Roman, serif;">R$ 1,50: espetos de churrasco</span></div>
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<span style="font-family: Times, Times New Roman, serif; font-size: 11.0pt; font-weight: normal; mso-bidi-font-weight: bold;"><br /></span></h3>
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<span style="font-family: Times, Times New Roman, serif;"><span style="font-size: 11.0pt; font-weight: normal; mso-bidi-font-weight: bold;">9.Se você tivesse que fazer uma propaganda de seu robô, como você faria isso com apenas uma frase</span><b style="background-color: transparent;"><span style="background: white; color: #222222; font-size: 11.0pt; line-height: 150%; mso-ansi-language: PT-BR; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: Calibri; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">.</span></b></span></h3>
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<span style="background: white; color: #222222; font-family: Times, Times New Roman, serif; font-size: 11.0pt;"><o:p> </o:p></span></h3>
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<span style="font-family: Times, Times New Roman, serif;"><span style="background: white; color: #333333;">Nero, alta dose de aceleração e eletricidade</span><o:p></o:p></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><br /></span></div>
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<span style="font-family: Times, Times New Roman, serif;"><span style="background-color: transparent;"><span style="background-color: white; font-size: 11pt; font-weight: normal; line-height: 150%;">10</span></span><span style="background-color: white; background-position: initial initial; background-repeat: initial initial;">. <span style="font-weight: normal;">Conclusão do projeto</span> </span><span style="background-color: white; color: #222222; font-size: 11pt; font-weight: normal;">.</span></span></h3>
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<span style="background: white; color: #222222; font-family: Times, Times New Roman, serif; font-size: 11.0pt; font-weight: normal; mso-bidi-font-weight: bold;"><o:p></o:p></span></h3>
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<span style="background: white; color: #222222; font-family: Times, Times New Roman, serif; font-size: 11.0pt;"><o:p> </o:p></span></h3>
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<span style="background: white; color: #2a2a2a; font-family: Times, Times New Roman, serif; font-size: 11.0pt; font-weight: normal; mso-bidi-font-weight: bold;">A conclusão do projeto foi que nós aprendemos sobre
os conceitos de energia elétrica e magnetismo, percebemos que não é nada fácil
fazer um robô gladiador e pudemos entrar em contato com a física. Gostamos
bastante de fazer o trabalho, mesmo sendo cansativo, e demos o nosso melhor e
estamos certos que quando acontecer a competição nós vamos representar nossa
sala e vamos ganhar!</span><span style="color: #222222; font-size: 11.0pt; font-weight: normal; mso-bidi-font-weight: bold;"><o:p></o:p></span></h3>
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<br /></div>Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-84360387718498980582012-06-02T19:12:00.004-07:002012-06-02T19:12:40.592-07:00<br />
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<img src="https://encrypted-tbn0.google.com/images?q=tbn:ANd9GcTRsV3oYIruKmHgQ6TLsvY9Vllkgt1JjlYX2raWHN3rh6gtE26gZA" />
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<span style="background-color: white; background-position: initial initial; background-repeat: initial initial; font-family: Arial; font-size: 10.5pt;"><br /></span></div>
<div style="margin-bottom: .0001pt; margin: 0cm;">
<span style="background-color: white; font-family: Arial; font-size: 10.5pt;">Anísio Spínola Teixeira nasceu
em 12 de julho de 1900 em Caetité (BA). Diplomou-se em 1922 e em 1924 já
era inspetor-geral do Ensino na Bahia. </span></div>
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<span style="background-color: white; font-family: Arial; font-size: 10.5pt;"><br /></span></div>
<div style="margin-bottom: .0001pt; margin: 0cm;">
<span style="background-color: white; font-family: Arial; font-size: 10.5pt;">Perseguido pela ditadura Vargas, assumiu a pasta da Educação em 1947. Sua atuação à frente do
Instituto Nacional de Estudos Pedagógicos a partir de 1952, valorizando a
pesquisa educacional no país, chegou a ser considerada tão significativa quanto
a Semana da Arte Moderna ou a fundação da Universidade de São Paulo. Morreu no Rio de
Janeiro em março de 1971. </span></div>
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<span style="font-family: Arial; font-size: 10.5pt;"><br />
<span style="background: white;">Considerado o principal idealizador das grandes
mudanças que marcaram a educação brasileira no século 20, Anísio Teixeira foi
pioneiro na implantação de escolas públicas de todos os níveis, que refletiam
seu objetivo de oferecer educação gratuita para todos. Como teórico da
educação, Anísio não se preocupava em defender apenas suas idéias. </span></span></div>
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<span style="font-family: Arial; font-size: 10.5pt;">Ele foi escolhido porque foi alguém que se preocupou com a educação, a qual é algo fundamental para uma nação, porque uma nação é feita de pessoas e para formar o caráter dessas pessoas é necessária uma boa educação, e ele não se importou só com ele mesmo mas se importou com os outros e trouxe inovações.</span></div>
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<span style="font-family: Arial; font-size: 10.5pt;">fontes utilizadas para biografia:</span></div>
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<span style="font-family: Arial; font-size: 10.5pt;"><span style="color: #444444;"><br /></span></span></div>
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<a href="http://educarparacrescer.abril.com.br/aprendizagem/anisio-teixeira-306977.shtml"><span style="color: #444444;">http://educarparacrescer.abril.com.br/aprendizagem/anisio-teixeira-306977.shtml</span></a>
</div>
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<br /></span></div>Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com1tag:blogger.com,1999:blog-3401106838315945550.post-83596568226736696262012-04-30T16:34:00.001-07:002012-04-30T16:34:06.378-07:00Robô gladiador<u>Grupo de mecânica:</u> Bruna Andrade, nº10 e Danilo Pastorelli, nº16<div>
<u>Grupo de elétrica:</u> Jennifer, nº24 e Thamires Coutinho,nº44</div>
<div>
<u>Porta-voz:</u> Thamires Coutinho, nº44</div>
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<u>Nome do robô gladiador:</u> Nero(<span style="color: #666666; font-family: Verdana; font-size: x-small;"> </span><span style="font-family: Verdana; font-size: x-small;">Famoso imperador romano).</span></div>Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-53559626472998654502012-04-11T13:22:00.002-07:002012-04-11T13:22:26.280-07:00Jennifer, nº24: membro do comitê de ética.Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-35016443581922826472012-04-11T13:21:00.001-07:002012-04-11T13:21:17.794-07:00<strong>Relatório de física<br /><span style="font-size: small;"></span><span style="font-size: small;">(Eletroímã de prego)</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><span style="font-size: small;">1.</span></strong><span style="font-size: small;"> <b>Objetivo do Trabalho:</b></span><br /><strong><span style="font-size: small;"></span></strong> <br /><b><span style="font-size: small;"></span></b><span style="font-size: small;">- Mostrar que um elemento que não é ímã pode se tornar magnético;</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><span style="font-size: small;">- Bater o récorde de clips que já foram pegos pelos terceiros anos até 2011.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><b><span style="font-size: small;">2. Descrever os Materiais Utilizados na construção do eletroímã.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span></b><span style="font-size: small;">- Pilha recarregável.</span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Clips. </span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Fio de cobre.</span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Prego (10 cm).</span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Durex ( para proteger o dedo).</span><br /> <br /> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><b><span style="font-size: small;">3. Descreva em 6 passos a construção do eletroímã e seu procedimento de interação com ele.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span></b><span style="font-size: small;">- Enrolar o fio de cobre no prego.</span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Lixar as pontas do fio de cobre.</span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Ligar as pontas do fio de cobre nas extremidades da pilha, precionando as pontas na pilha.</span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Passar o prego nos clips.</span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Afastar o prego dos clips e esperar alguns segundos, ( nesse tempo pode ser que caia alguns clips). </span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Contar os clips que permaneceram atraídos pelo prego.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><b><span style="font-size: small;">4. Porque um material que não é ímã se torna magnético?</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span></b><span style="font-size: small;">Por causa de termos utilizado um material que é um bom condutor (cobre) para enrolar um material que não é ímã e termos ligado esse bom condutor em uma pilha (nas extremidades da pilha), ele (cobre) é eletrizado formando uma corrente elétrica, a qual passa também pelo prego, e por causa dessa corrente elétrica os pólos diferentes farão com que os clips sejam atraídos.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"> </span><br /><span style="font-size: small;"></span><b><span style="font-size: small;">6. Coleta de dados.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span></b><span style="font-size: small;">Faça alguns testes com seu eletroímã e preencha a tabela abaixo:</span><br /> <br /> <br />Experimento Comprimento do pr. d.d.p Número de espiras Clipes atraídos Força de atração<br /><br />1 10 cm 1,2 volts 263 58 <br />
2 10 cm 1,2 volts 257 1<br />
3 10 cm 1,5 volts 263 1<br />
4 10 cm 1,5 volts 263 1<br />
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1º 1º experimento: 3.000mha (recarr.)<br />
2º experimento: 2.050mha (recarr.)<br />
3º experimento: (não recarregável)<br />
4º experimento: (não recarregável)<br /><br /> <br /><b><span style="font-size: small;">7. Faça comentários sobre os dados encontrados na tabela.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span></b><span style="font-size: small;">- Quando a pilha não era recarregável, mesmo com um número maior de volts o eletroímã atraiu menos clips.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><span style="font-size: small;">- Com relação às pilhas recarregáveis:</span><br /><span style="font-size: small;"></span><span style="font-size: small;">No segundo experimento quando o número de espiras diminuiu e a mha também, o número de clips também diminuiu mesmo a pilha tendo o mesmo número de volts que a pilha do primeiro experimento, porém este tinha o número de espiras e a mha maior, então atraiu mais clips. </span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><b><span style="font-size: small;">8. Qual a maior dificuldade do grupo para a construção o eletroímã? Justifique.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span></b><span style="font-size: small;">Conseguir manter as pontas do fio de cobre bem pressionados no lugar correto da pilha, porque o fio estava escorregando.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><b><span style="font-size: small;">9. Faça uma descrição da evolução do seu projeto.</span><br /> </b><span style="font-size: small;">Ao construir o eletroímã começaram a ser feitos os testes. Nos primeiros testes o máximo de clips atraídos foram 30, mais testes foram feitos e houve uma superaç~~ao com relação ao resultado anterior, pois nesses bovos testes foram pegos 78 e 97 clips, sendo este último o melhor resultado e quando o experimento foi feito na sala de aula não obtivemos tanto sucesso tendo como resultado 83 clips na primeira tentativa e 32 na segunda.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><b><span style="font-size: small;">10. Descreva pelo menos 5 conteúdos em Física, utilizados para este trabalho. Deixe claro em qual momento foi utilizado.</span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span></b><span style="font-size: small;">- Atração: quando os clips grudam no prego, são atraídos. </span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Eletrização: Quando encosta o cobre na pilha. </span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Corrente elétrica: por causa da eletrização do cobre ocorre a corrente elétrica. </span><br /><span style="font-size: small;"></span><span style="font-size: small;">- d.d.p: a d.d.p mostra o número de volts da pilha e a pilha foi utilizada durante todo o experimento, por isso a d.d.p é utilizada em todo o experimento. </span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Força elétrica. </span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><b><span style="font-size: small;">11. Conclusão Final (Indicar Melhor resultado).</span></b><span style="font-size: small;"> </span><br /><span style="font-size: small;"></span><span style="font-size: small;">- Pudemos conluir que através de um experimento podemos observar vários conteúdos da matéria e não só aquele que é o conteúdo principal do experimento. </span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><span style="font-size: small;">- Nesse experimento em especial pudemos notar que um material que não é um ímã pode se totnar magnético. </span><br /><span style="font-size: small;"></span> <br /><span style="font-size: small;"></span><span style="font-size: small;"> Melhor resultado do grupo foi: 83 clips. </span>Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-43704626366599538802012-03-07T20:52:00.000-08:002012-03-07T20:52:36.241-08:00respostas sobre os eletroscópios(07/03/2012)<div class="ReadMsgBody" id="mpf0_readMsgBodyContainer">
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<span style="font-family: Times New Roman; font-size: small;">Grupo 8.</span></div>
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<span style="font-family: Times New Roman; font-size: small;">1° experimento( pêndulo): Ao atritar a régua no papel higiênico e aproxima-la da esfera metálica pode-se perceber que a esfera foi atraída pela régua.</span></div>
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<span style="font-family: Times New Roman; font-size: small;">2° experimento( pêndulo): Ao realizar o mesmo processo de atrito da 1ª experiência e aproximar a régua da esfera metálica pode-se perceber que a esfera oi repelida.</span></div>
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<span style="font-family: Times New Roman; font-size: small;">1° experimento( eletroscópio de folhas): Ao atritar a régua no papel higiênico e encostá-la na esfera de metal do eletroscópio de folhas pode-se notar que as folhas metálicas se abriram.</span></div>
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<span style="font-family: Times New Roman; font-size: small;">2°experimento( eletroscópio de folhas): Ao atritar a régua no papel higiênico e encostá-la na esfera de metal do eletroscópio de folhas pode-se notar que as folhas metálicas se abriram e ao colocarmos o dedo na esfera as folhas metálicas se fecharam.</span></div>
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<span style="font-family: Times New Roman; font-size: small;">pergunta 5:</span></div>
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<span style="font-family: Times New Roman; font-size: small;">Mostrar a troca de cargas.</span></div>
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</div>Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-18328356237978742952012-03-04T11:05:00.005-08:002012-03-04T11:05:59.183-08:003º DGrupo 8 - Capacitores da FísicaCapacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-45493290595896965792012-02-25T11:38:00.000-08:002012-02-25T11:38:14.526-08:00alunos do grupoBruna Andrade nº10<br />
Danilo de Souza Pastorelli nº16<br />
Jennifer Elizabeth Carvalho Freitas nº24<br />
Thamires Monteiro dos Santos Coutinho nº44<br />Capacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0tag:blogger.com,1999:blog-3401106838315945550.post-36718740964526390942012-02-22T14:57:00.000-08:002012-02-22T14:57:52.460-08:003 DDanilo de Souza Pastorelli<br />
Jennifer Elizabeth Carvalho Freitas<br />
Lucas<br />
Thamires Monteiro dos Santos CoutinhoCapacitores da Físicahttp://www.blogger.com/profile/17369755587207860953noreply@blogger.com0