{"id":401,"date":"2015-01-29T18:57:32","date_gmt":"2015-01-29T18:57:32","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=401"},"modified":"2024-09-03T12:59:19","modified_gmt":"2024-09-03T12:59:19","slug":"resolucao-comentada-da-unicamp-2015","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2015\/exercicios-resolvidos-da-unicamp-2015\/resolucao-comentada-da-unicamp-2015\/","title":{"rendered":"Resolu\u00e7\u00e3o comentada da UNICAMP 2015"},"content":{"rendered":"

RESOLU\u00c7\u00d5ES<\/b><\/span><\/span><\/span><\/p>\n

PRIMEIRA FASE<\/b><\/p>\n

01- <\/b><\/span><\/span><\/span>a)<\/b><\/span><\/span><\/span> <\/b>confirmaram as teorias definidas por Cop\u00e9rnico<\/b><\/span><\/span><\/span> e s\u00e3o exemplos do <\/b><\/span><\/span>modelo cient\u00edfico que passou a vigorar a partir da Alta Idade M\u00e9dia.<\/b><\/span><\/span><\/span><\/p>\n

a) Falsa<\/b><\/span><\/span><\/span> \"\" <\/b><\/span><\/span>foi por volta do s\u00e9culo XVI<\/b><\/span><\/span><\/span> <\/b>(e n\u00e3o na Alta idade m\u00e9dia (do s\u00e9culo V ao s\u00e9culo X)<\/b><\/span><\/span><\/span> que, <\/b><\/span><\/span><\/span>Nicolau Cop\u00e9rnico <\/b><\/span><\/span><\/span>(1473-1543) apresentou um <\/b><\/span><\/span><\/span>modelo<\/b><\/span><\/span>helioc\u00eantrico<\/b><\/span><\/span><\/span>, em que o <\/b><\/span><\/span><\/span>Sol estava no centro<\/b><\/span><\/span><\/span> <\/b>do universo<\/b><\/span><\/span><\/span>, e os <\/b><\/span><\/span><\/span>planetas descreviam \u00f3rbitas circulares ao seu redor.<\/b><\/span><\/span><\/span><\/p>\n

b)<\/b><\/span><\/span><\/span> <\/b>confirmaram<\/b><\/span><\/span><\/span> as teorias defendidas por Ptolomeu<\/b><\/span><\/span><\/span> e permitiram a produ\u00e7\u00e3o das cartas n\u00e1uticas usadas no per\u00edodo do descobrimento da Am\u00e9rica.<\/b><\/span><\/span><\/p>\n

b) Falsa<\/b><\/span><\/span><\/span> \"\" <\/b><\/span><\/span>Ptolomeu <\/b><\/span><\/span><\/span>apresentou e desenvolveu argumentos a favor da <\/b><\/span><\/span><\/span>teoria geoc\u00eantrica na qual o universo os planetas, o Sol e a Lua giravam em torno da Terra.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

c)<\/b><\/span><\/span><\/span> s\u00e3o a <\/b><\/span><\/span>base do modelo planet\u00e1rio geoc\u00eantrico<\/b><\/span><\/span><\/span> e se tornaram as premissas cientificas que vigoram at\u00e9 hoje.<\/b><\/span><\/span><\/p>\n

c) Falsa<\/b><\/span><\/span><\/span> \"\" as <\/b><\/span><\/span>leis de Kepler n\u00e3o s\u00e3o a base do<\/b><\/span><\/span><\/span> <\/b>modelo geoc\u00eantrico proposto por Pttolomeu (veja b acima).<\/b><\/span><\/span><\/span><\/p>\n

d)<\/b><\/span><\/span><\/span> <\/b>forneceram subs\u00eddios<\/b><\/span><\/span><\/span> para demonstrar o modelo planet\u00e1rio helioc\u00eantrico<\/b><\/span><\/span><\/span> e <\/b><\/span><\/span>criticar as posi\u00e7\u00f5es<\/b><\/span><\/span><\/span><\/p>\n

defendidas pela Igreja naquela \u00e9poca.<\/b><\/span><\/span><\/span><\/p>\n

d) Correta<\/b><\/span><\/span><\/span> \"\" as <\/b><\/span><\/span>leis de Kepler confirmaram o sistema <\/b><\/span><\/span><\/span>helioc\u00eantrico<\/b><\/span><\/span><\/span> defendido por Nicolau Cop\u00e9rnico e <\/b><\/span><\/span>contrariaram a teoria do <\/b><\/span><\/span><\/span>geocentrismo defendida pela igreja.<\/b><\/span><\/span><\/span><\/p>\n

R- D<\/b><\/span><\/span><\/span><\/p>\n

02-<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

03- <\/b><\/span><\/span><\/span>Corpo <\/b><\/span><\/span>abandonado, do repouso<\/b><\/span><\/span><\/span>, de certa <\/b><\/span><\/span>altura h<\/b><\/span><\/span><\/span> do solo do planeta onde a <\/b><\/span><\/span>acelera\u00e7\u00e3o da gravidade \u00e9 g.<\/b><\/span><\/span><\/span><\/p>\n

Colocando a <\/b><\/span><\/span>origem da trajet\u00f3ria no ponto de onde ele \u00e9 abandonado e orientando a trajet\u00f3ria para baixo, <\/b><\/span><\/span><\/span>tem-se:<\/b><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

04- <\/b><\/span><\/span><\/span>A <\/b><\/span><\/span>equa\u00e7\u00e3o \u00a0abaixo<\/b><\/span><\/span><\/span> \u00e9 denominada <\/b><\/span><\/span>equa\u00e7\u00e3o fundamental \u00a0da calorimetria<\/b><\/span><\/span><\/span> e nos \u00a0permite que voc\u00ea calcule a quantidade <\/b><\/span><\/span>de energia trocada (cedida ou recebida)<\/b><\/span><\/span><\/span>por um corpo quando esta troca\u00a0 de <\/b><\/span><\/span>energia acarretar \u00a0apenas<\/b><\/span><\/span><\/span> <\/b>varia\u00e7\u00e3o na sua \u00a0temperatura.<\/b><\/span><\/span><\/span>
\n\"\"
\n<\/b><\/span><\/span>Sendo:<\/b><\/span><\/span><\/span>
\nQ \"\" <\/b><\/span><\/span>a quantidade de energia trocada;<\/b><\/span><\/span><\/span>
\nm \"\" <\/b><\/span><\/span>a massa do corpo;<\/b><\/span><\/span><\/span>
\nc \"\" <\/b><\/span><\/span>\u00e9 o calor espec\u00edfico do corpo;<\/b><\/span><\/span><\/span>
\n\u2206T\"\" <\/b><\/span><\/span>\u00e9 a varia\u00e7\u00e3o de temperatura do corpo<\/b><\/span><\/span><\/span>.\u00a0<\/b><\/span><\/span>
\nUNIDADES<\/b><\/span><\/span><\/span>
\n<\/span>No <\/b><\/span><\/span><\/span>Sistema Internacional de Unidades, a unidade de energia<\/b><\/span><\/span><\/span> e, portanto de <\/b><\/span><\/span><\/span>calor<\/b><\/span><\/span><\/span>, \u00e9 o\u00a0<\/b><\/span><\/span><\/span>
\n<\/span>Joule (s\u00edmbolo J<\/b><\/span><\/span><\/span>). Por\u00e9m costuma-se utilizar, em <\/b><\/span><\/span><\/span>calorimetria, a unidade denominada caloria<\/b><\/span><\/span><\/span>
\n<\/span>(s\u00edmbolo cal) 1 cal = 4,186 J<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

R – B<\/b><\/span><\/span><\/span><\/p>\n

05-<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

C\u00e1lculo <\/b><\/span><\/span><\/span>do n\u00famero n<\/b><\/span><\/span><\/span> de cada <\/b><\/span><\/span><\/span>unidade de informa\u00e7\u00e3o<\/b><\/span><\/span><\/span> que ocupa um <\/b><\/span><\/span><\/span>comprimento f\u00edsico de 0,2 \u03bcm =<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

06-<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

07-<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

08-<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

09- <\/b><\/span><\/span><\/span>A <\/b><\/span><\/span>resist\u00eancia el\u00e9trica <\/b><\/span><\/span><\/span>da <\/b><\/span><\/span>l\u00e2mpada de P = 150 W<\/b><\/span><\/span><\/span> do <\/b><\/span><\/span>enunciado pode ser determinada pelo <\/b><\/span><\/span><\/span>gr\u00e1fico<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

da figura 1,<\/b><\/span><\/span><\/span> <\/b>que \u00e9 de <\/b><\/span><\/span><\/span>R = 325 \u2126.<\/b><\/span><\/span><\/span><\/p>\n

Agora voc\u00ea vai <\/b><\/span><\/span>ao gr\u00e1fico da figura 2<\/b><\/span><\/span><\/span> e procura a <\/b><\/span><\/span>temperatura <\/b><\/span><\/span><\/span>equivalente para <\/b><\/span><\/span>R = 325 \u2126<\/b><\/span><\/span><\/span> e<\/b><\/span><\/span><\/p>\n

\"\"<\/p>\n

encontrar\u00e1 o valor aproximado <\/b><\/span><\/span><\/span>de t \u2248 3 000 <\/b><\/span><\/span><\/span>o<\/b><\/span><\/span><\/sup><\/span>C.<\/b><\/span><\/span><\/span><\/p>\n

R- C<\/b><\/span><\/span><\/span><\/p>\n

10-<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

11-<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

 <\/p>\n

RESOLU\u00c7\u00d5ES – SEGUNDA FASE<\/b><\/span><\/span><\/span><\/p>\n

01-<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

02-<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

03-<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

04-<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

b) <\/b><\/span><\/span>Press\u00e3o suportada <\/b><\/span><\/span><\/span>(P<\/b><\/span><\/span><\/span>nave<\/b><\/span><\/span><\/sub><\/span>)<\/b><\/span><\/span><\/span> pela carca\u00e7a de uma <\/b><\/span><\/span><\/span>nave espacial<\/b><\/span><\/span><\/span> que se encontra a centenas de<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

quil\u00f4metros de altitude onde a <\/b><\/span><\/span><\/span>press\u00e3o externa \u00e9 nula P<\/b><\/span><\/span><\/span>externa<\/b><\/span><\/span><\/sub><\/span> \u2248 0 e a press\u00e3o interna \u00e9 de P<\/b><\/span><\/span><\/span>interna <\/b><\/span><\/span><\/sub><\/span>= 1 atm .<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Press\u00e3o suportada pelo submarino <\/b><\/span><\/span><\/span>(P<\/b><\/span><\/span><\/span>sub<\/b><\/span><\/span><\/sub><\/span>)<\/b><\/span><\/span><\/span> a <\/b><\/span><\/span><\/span>100 m de profundidade<\/b><\/span><\/span><\/span> sendo sua <\/b><\/span><\/span><\/span>press\u00e3o interna P<\/b><\/span><\/span><\/span>interna<\/b><\/span><\/span><\/sub><\/span> = 1 atm.<\/b><\/span><\/span><\/span><\/p>\n

A press\u00e3o externa<\/b><\/span><\/span><\/span> ao submarino vale <\/b><\/span><\/span><\/span>P<\/b><\/span><\/span><\/span>externa<\/b><\/span><\/span><\/sub><\/span> = 11 atm<\/b><\/span><\/span><\/span>, <\/b><\/span><\/span><\/span>pois, a <\/b><\/span><\/span><\/span>cada 10 m de profundidade<\/b><\/span><\/span><\/span> a press\u00e3o <\/b><\/span><\/span><\/span>hidrost\u00e1tica, devido \u00e0 \u00e1gua,,<\/b><\/span><\/span><\/span> aumenta de <\/b><\/span><\/span><\/span>1 atm + a press\u00e3o atmosf\u00e9rica de 1 atm na superf\u00edcie da \u00e1gua.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

05-<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

b)<\/b><\/span><\/span><\/span> <\/b>O <\/b><\/span><\/span>som <\/b><\/span><\/span><\/span>se propaga num <\/b><\/span><\/span>meio material<\/b><\/span><\/span><\/span> se espalhando em <\/b><\/span><\/span>todas as dire\u00e7\u00f5es e as frentes de onda t\u00eam <\/b><\/span><\/span><\/span>formato esf\u00e9rico.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

A <\/b><\/span><\/span>intensidade sonora ou sonoridade<\/b><\/span><\/span><\/span> de uma <\/b><\/span><\/span>onda esf\u00e9rica<\/b><\/span><\/span><\/span>, num <\/b><\/span><\/span>determinado ponto<\/b><\/span><\/span><\/span>, \u00e9 definida pela express\u00e3o:<\/b><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

06-<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

 <\/p>\n

Voltar para os Exerc\u00edcios Resolvidos<\/span><\/a><\/h3>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

RESOLU\u00c7\u00d5ES PRIMEIRA FASE 01- a) confirmaram as teorias definidas por Cop\u00e9rnico e s\u00e3o exemplos do modelo cient\u00edfico que passou a vigorar a partir da Alta Idade M\u00e9dia. a) Falsa foi por volta do s\u00e9culo XVI (e n\u00e3o na Alta idade m\u00e9dia (do s\u00e9culo V ao s\u00e9culo X) que, Nicolau Cop\u00e9rnico (1473-1543) apresentou um modelohelioc\u00eantrico, em que o Sol estava no<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":399,"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-401","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/401","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=401"}],"version-history":[{"count":2,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/401\/revisions"}],"predecessor-version":[{"id":10999,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/401\/revisions\/10999"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/399"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}