{"id":779,"date":"2015-05-13T15:30:43","date_gmt":"2015-05-13T15:30:43","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=779"},"modified":"2024-09-02T17:35:50","modified_gmt":"2024-09-02T17:35:50","slug":"resolucao-comentada-da-ucpel-2015","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2015\/exercicios-resolvidos-da-ucpel-2015\/resolucao-comentada-da-ucpel-2015\/","title":{"rendered":"Resolu\u00e7\u00e3o Comentada da UCPel 2015"},"content":{"rendered":"<p align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black,serif;\"><span style=\"font-size: large;\"><b>RESOLU\u00c7\u00d5ES<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black,serif;\"><span style=\"font-size: large;\"><b>01- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>A for\u00e7a de<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>atra\u00e7\u00e3o ou de repuls\u00e3o<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>entre duas cargas<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>el\u00e9tricas<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>tem sempre a<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>mesma intensidade<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>independente<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>do sinal e do<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>valor das cargas.<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_19339614.png\" alt=\"\" width=\"199\" height=\"67\" name=\"Imagem 32\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Assim<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>F<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> = F<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> =F \u00e9 a intensidade das for\u00e7as sobre as cargas Q<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> e Q<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>F<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>= F<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>= m<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.a<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> = <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>(3m<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\/4)a<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>e<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>F<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>= F<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>= m<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.a<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"Imagem 31\" align=\"BOTTOM\" border=\"0\" \/> <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>(3m<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\/4)a<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>= m<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.a<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics3\" align=\"BOTTOM\" border=\"0\" \/> <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>3.a<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\/4 = <\/b><\/span><\/span><\/span><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>a<\/b><\/span><\/span><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics4\" align=\"BOTTOM\" border=\"0\" \/> <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>a<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\/a<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> = 4\/3.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>R- E<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black,serif;\"><span style=\"font-size: large;\"><b>02- <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Transforma\u00e7\u00e3o isoc\u00f3rica, isom\u00e9trica ou isovolum\u00e9trica<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\">\u00a0<span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Ocorre a volume constante\u00a0 &#8212;\u00a0 V<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>o<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>=V\u00a0 &#8212;\u00a0 \u0394V=0\u00a0 &#8212;\u00a0 W=P.\u0394V\u00a0 &#8212;\u00a0 W=P.0\u00a0 &#8212;\u00a0 <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>W=0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\u00a0 (trabalho \u00e9 nulo) &#8212; \u0394U = Q \u2013 W\u00a0 &#8212;\u00a0 \u0394U=Q \u2013 0\u00a0 &#8212;\u00a0 <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\u0394U=Q<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_5cd38958.jpg\" alt=\"\" width=\"594\" height=\"174\" name=\"Imagem 34\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_b802809a.jpg\" alt=\"\" width=\"61\" height=\"27\" name=\"Imagem 35\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Assim, <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>todo o calor (Q) recebido pelo sistema \u00e9 igual \u00e0 sua varia\u00e7\u00e3o de energia interna (\u0394U).\u00a0<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>R- D<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black,serif;\"><span style=\"font-size: large;\"><b>03- <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Se voc\u00ea n\u00e3o domina a teoria, ela est\u00e1 a seguir com algumas \u201cdicas\u201d:<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>&#8211;\u00a0P\u00eandulo Simples &#8211;<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Consta de uma <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>massa m<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, presa na <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>extremidade inferior de um fio ideal<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, fixada verticalmente na sua extremidade superior (figura)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_e4843eea.jpg\" alt=\"\" width=\"204\" height=\"165\" name=\"graphics5\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Se o <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>p\u00eandulo simples oscilar<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, com oscila\u00e7\u00f5es de pequena abertura (no m\u00e1ximo 15<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>o<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>), ele descreve um <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>movimento circular de raio R=L, sendo L o comprimento do fio.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Seu <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>per\u00edodo (T)<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, que \u00e9 o tempo que ele demora para efetuar um \u201cvai e vem\u201d completo \u00e9 fornecido pela express\u00e3o:<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_8200063.png\" alt=\"\" width=\"93\" height=\"56\" name=\"graphics6\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>onde <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>g \u00e9 a acelera\u00e7\u00e3o da gravidade local.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>&#8211; Observe que:<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>* a <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>massa pendular m n\u00e3o influi no per\u00edodo T do movimento<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>. Assim dois p\u00eandulos de <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>mesmo comprimento L<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, mas de <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>massas diferentes M e m, apresentam o mesmo per\u00edodo T.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\">\u00a0<span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>* O <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>per\u00edodo de um p\u00eandulo simples independe da amplitude<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, ou seja, da altura em que m \u00e9 abandonada, assim, os p\u00eandulos da figura abaixo, tanto na situa\u00e7\u00e3o 1 como na 2, demoram o mesmo tempo para ir de A at\u00e9 B, de B at\u00e9 C, de C at\u00e9 B e de B at\u00e9 A.<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_ac097f36.jpg\" alt=\"\" width=\"444\" height=\"185\" name=\"Imagem 10\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>* \u00a0O per\u00edodo de um p\u00eandulo simples \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>diretamente proporcional \u00e0 raiz quadrada de seu<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>comprimento L<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>. Assim, para dobrar o per\u00edodo T de um p\u00eandulo, seu comprimento L deve ser quadruplicado, etc.<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_b0355fb8.gif\" alt=\"\" width=\"261\" height=\"203\" name=\"graphics7\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\">\u00a0<\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>* O per\u00edodo de um p\u00eandulo simples \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>inversamente proporcional \u00e0 raiz quadrada da acelera\u00e7\u00e3o da<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>gravidade g.<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> Assim,\u00a0 quanto maior for a acelera\u00e7\u00e3o da gravidade do local onde est\u00e1 o p\u00eandulo, menor ser\u00e1 o seu per\u00edodo. Uma das aplica\u00e7\u00f5es do p\u00eandulo simples \u00e9 a determina\u00e7\u00e3o da acelera\u00e7\u00e3o da gravidade.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\">\u00a0<span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>No caso do exerc\u00edcio:<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>O <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>comprimento final ficou 1\/4 do comprimento inicial<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics8\" align=\"BOTTOM\" border=\"0\" \/> o <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>per\u00edodo<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> de um p\u00eandulo simples \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>diretamente proporcional \u00e0 raiz quadrada de seu<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>comprimento L<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>. Assim, para <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>dobrar o per\u00edodo T<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> de um p\u00eandulo, <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>seu comprimento L deve ser quadruplicado<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, e vice versa.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Observe na express\u00e3o fornecida que a <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>massa pendular m n\u00e3o influi no per\u00edodo T do movimento<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>R \u2013 A<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black,serif;\"><span style=\"font-size: large;\"><b>04- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Podemos definir o <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Princ\u00edpio Fundamental da Din\u00e2mica ou segunda lei de Newton<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> do seguinte modo:<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_c19a6b48.jpg\" alt=\"\" width=\"721\" height=\"77\" name=\"Imagem 21\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Assim, se essa\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>for\u00e7a resultante<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\u00a0for constante<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, a acelera\u00e7\u00e3o (varia\u00e7\u00e3o de velocidade), por ela produzida tamb\u00e9m ser\u00e1 <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>constante<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> e a for\u00e7a e a acelera\u00e7\u00e3o s\u00e3o grandezas diretamente proporcionais, independente do tipo de trajet\u00f3ria, ou seja:<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_bb9d6dd5.png\" alt=\"\" width=\"416\" height=\"112\" name=\"Imagem 25\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>R- B<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black,serif;\"><span style=\"font-size: large;\"><b>05- <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>I. Correta<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics9\" align=\"BOTTOM\" border=\"0\" \/> <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><span lang=\"pt-PT\"><b>O <\/b><\/span><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><span lang=\"pt-PT\"><b>desvio (d) na refra\u00e7\u00e3o<\/b><\/span><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><span lang=\"pt-PT\"><b> corresponde ao <\/b><\/span><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><span lang=\"pt-PT\"><b>\u00e2ngulo <\/b><\/span><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><span lang=\"pt-PT\"><b>entre o prolongamento do raio incidente e o raio refratado.(figura da esquerda)<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_b993a028.jpg\" alt=\"\" width=\"215\" height=\"220\" name=\"Imagem 2\" align=\"BOTTOM\" border=\"0\" \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_8e8543e2.jpg\" alt=\"\" width=\"269\" height=\"218\" name=\"graphics10\" align=\"BOTTOM\" border=\"0\" \/><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><span lang=\"pt-PT\"><b>No caso da incid\u00eancia ser <\/b><\/span><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><span lang=\"pt-PT\"><b>normal<\/b><\/span><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><span lang=\"pt-PT\"><b> o <\/b><\/span><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><span lang=\"pt-PT\"><b>raio de luz n\u00e3o sofre desvio e d=0.<\/b><\/span><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><span lang=\"pt-PT\"><b> (figura da direita)<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>II. Falsa<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics11\" align=\"BOTTOM\" border=\"0\" \/> <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Onda n\u00e3o transporta mat\u00e9ria, apenas energia.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>* O som \u00e9 uma <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>onda mec\u00e2nica (precisa de um meio material para se propagar)<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> longitudinal (dire\u00e7\u00e3o de propaga\u00e7\u00e3o coincide com a dire\u00e7\u00e3o de oscila\u00e7\u00e3o)<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>* A luz \u00e9 uma <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>onda eletromagn\u00e9tica (n\u00e3o precisa de meio material para se propagar)<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> transversal (dire\u00e7\u00e3o de propaga\u00e7\u00e3o \u00e9 perpendicular \u00e0 dire\u00e7\u00e3o de oscila\u00e7\u00e3o).<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>III. Correta<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics12\" align=\"BOTTOM\" border=\"0\" \/><\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>* Quando duas ou mais ondas sofrem <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>superposi\u00e7\u00e3o<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> temos o fen\u00f4meno da <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>interfer\u00eancia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, que ocorre tanto para ondas transversais como para ondas longitudinais.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>* <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Durante a superposi\u00e7\u00e3o, a amplitude da onda resultante \u00e9 a soma alg\u00e9brica das amplitudes de cada onda.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>* Quando os pulsos <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>tiverem a mesma amplitude<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> e em oposi\u00e7\u00e3o de fase teremos <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>interfer\u00eancia destrutiva\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>e durante a interfer\u00eancia, quando a corda estiver na horizontal, cada ponto da mesma ter\u00e1 velocidade vertical e horizontal nulas.<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_20af57a8.jpg\" alt=\"\" width=\"220\" height=\"83\" name=\"Imagem 7\" align=\"BOTTOM\" border=\"0\" \/><span style=\"color: #0000cc;\">\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_6e46bbc2.jpg\" alt=\"\" width=\"257\" height=\"44\" name=\"graphics13\" align=\"BOTTOM\" border=\"0\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_d10f647c.jpg\" alt=\"\" width=\"221\" height=\"91\" name=\"Imagem 9\" align=\"BOTTOM\" border=\"0\" \/><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>IV. Falsa <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics14\" align=\"BOTTOM\" border=\"0\" \/> \u00a0<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Polarizar<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> uma onda significa transformar, atrav\u00e9s do polarizador, uma onda <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>transversal\u00a0 n\u00e3o polarizada,que vibra em v\u00e1rias dire\u00e7\u00f5es<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, numa onda <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>polarizada, que vibra numa \u00fanica dire\u00e7\u00e3o<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\">.<\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Somente ondas transversais, como a luz, podem ser polarizadas e n\u00e3o se propagam num meio material.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>O som, que \u00e9 uma onda longitudinal, n\u00e3o pode ser polarizada.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>V. Correta<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics15\" align=\"BOTTOM\" border=\"0\" \/> as <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>caracter\u00edsticas do meio<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> influem na <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>velocidade de propaga\u00e7\u00e3o de qualquer tipo de onda. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>R- E<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black,serif;\"><span style=\"font-size: large;\"><b>06- <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>For\u00e7as que agem sobre a esfera:<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Peso P<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, vertical, para <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>baixo<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> e de intensidade <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>P = m<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>esfera<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> .g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> = d<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>esfera.<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>V<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>esfera<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.g = 8.10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>3<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.V<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>esfera<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.10 <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics16\" align=\"BOTTOM\" border=\"0\" \/> <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>P = 8.10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>4<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>V<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>esfera<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Empuxo<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, vertical, para <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>cima<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> e de intensidade <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>E = d<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\u00e1gua<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.V<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>imerso<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.g <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>= 10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>3<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.V<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>esfera<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.10 <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics17\" align=\"BOTTOM\" border=\"0\" \/> <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>E = 10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>4<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.V<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>esfera<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_92a046d0.png\" alt=\"\" width=\"134\" height=\"119\" name=\"graphics18\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>P &gt; E<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics19\" align=\"BOTTOM\" border=\"0\" \/> a esfera <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>afunda<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, for\u00e7a resultante para baixo.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>F<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>R<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> = m.a<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics20\" align=\"BOTTOM\" border=\"0\" \/> P \u2013 E = <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>m<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.a<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics21\" align=\"BOTTOM\" border=\"0\" \/><\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> 8.10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>4<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>V \u2013 10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>4<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>V = <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>d<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>esfera<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.V<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>. a <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics22\" align=\"BOTTOM\" border=\"0\" \/> 7.10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>4<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>V = 8.10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>3<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>V.a <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics23\" align=\"BOTTOM\" border=\"0\" \/> a = 7.10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>4<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\/8.10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>3<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics24\" align=\"BOTTOM\" border=\"0\" \/><\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>a = 0,875.10 <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics25\" align=\"BOTTOM\" border=\"0\" \/> <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>a = 8,75 m\/s<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>A energia potencial gravitacional (E<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>p<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> = mg(h<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>f<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> \u2013 h<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>i<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>) <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2015\/ucpel\/i_53ce7cc894d02d02_html_82c5a23c.png\" alt=\"\" width=\"23\" height=\"11\" name=\"graphics26\" align=\"BOTTOM\" border=\"0\" \/> a energia potencial depende da <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>massa<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, da <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>acelera\u00e7\u00e3o gravitacional e de sua posi\u00e7\u00e3o vertical inicial e final.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>R- C<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black,serif;\"><span style=\"font-size: large;\"><b>07- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Se o <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\u00f4nibus espacial est\u00e1 em \u00f3rbita em torno da Terra,<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> ele <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>est\u00e1 dentro do campo gravitacional da Terra e sujeito \u00e0 uma acelera\u00e7\u00e3o da gravidade fornecida por g = G.M<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Terra<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>\/d<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Sendo G e M<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Terra<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> constantes<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, a <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>acelera\u00e7\u00e3o da gravidade<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b> \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>inversamente proporcional \u00e0 dist\u00e2ncia d da nave ao centro da Terra.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>Sendo a <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>massa independente da localiza\u00e7\u00e3o de onde o corpo est\u00e1 (sempre a mesma)<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, \u00e0 medida que a <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>altura (dist\u00e2ncia d) aumenta,a acelera\u00e7\u00e3o da gravidade g diminuir\u00e1<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>, o que implica que <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>o peso tamb\u00e9m diminuir\u00e1, pois, P = mg.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial,serif;\"><span style=\"font-size: medium;\"><b>R- D<\/b><\/span><\/span><\/span><\/p>\n<h2><\/h2>\n<h2><a title=\"Exerc\u00edcios Resolvidos da UCPel 2015\" href=\"http:\/\/fisicaevestibular.com.br\/novo\/universidades-2015\/exercicios-resolvidos-da-ucpel-2015\/\"><span style=\"color: #000080;\">Voltar para exerc\u00edcios.<\/span><\/a><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>RESOLU\u00c7\u00d5ES 01- A for\u00e7a de atra\u00e7\u00e3o ou de repuls\u00e3o entre duas cargas el\u00e9tricas tem sempre a mesma intensidade independente do sinal e do valor das cargas. Assim F1 = F2 =F \u00e9 a intensidade das for\u00e7as sobre as cargas Q1 e Q2. F1 = F = m1.a1 = (3m2\/4)a1 e F2 = F = m2.a2 (3m2\/4)a1 = m2.a2 3.a1\/4 =<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":777,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-779","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/779","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/comments?post=779"}],"version-history":[{"count":1,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/779\/revisions"}],"predecessor-version":[{"id":780,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/779\/revisions\/780"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/777"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}