{"id":3933,"date":"2018-04-30T19:16:04","date_gmt":"2018-04-30T19:16:04","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=3933"},"modified":"2024-07-15T03:07:05","modified_gmt":"2024-07-15T03:07:05","slug":"colegio-naval-201718","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2018\/colegio-naval-201718\/","title":{"rendered":"Col\u00e9gio Naval 2017\/18"},"content":{"rendered":"

\"Col\u00e9gio<\/h3>\n

O\u00a0<\/b><\/span><\/span>Col\u00e9gio Naval\u00a0<\/b><\/span><\/span><\/span>\u00e9 uma\u00a0institui\u00e7\u00e3o\u00a0<\/b><\/span><\/span>militar<\/b><\/span><\/span><\/span><\/a>\u00a0de ensino\u00a0com mais de meio s\u00e9culo de exist\u00eancia localizada na enseada Batista das Neves, no munic\u00edpio de\u00a0<\/b><\/span><\/span>Angra dos Reis<\/b><\/span><\/span><\/span><\/a>, estado do\u00a0<\/b><\/span><\/span>Rio de Janeiro<\/b><\/span><\/span><\/span><\/a>, cuja\u00a0miss\u00e3o \u00e9 preparar candidatos para o ingresso no\u00a0<\/b><\/span><\/span>Curso de Gradua\u00e7\u00e3o da\u00a0<\/b><\/span><\/span><\/span>Escola Naval<\/b><\/span><\/span><\/span><\/a>, respons\u00e1vel pela forma\u00e7\u00e3o de\u00a0<\/b><\/span><\/span>Oficiais da\u00a0<\/b><\/span><\/span><\/span>Marinha do Brasil<\/b><\/span><\/span><\/span><\/a>.<\/b><\/span><\/span><\/span><\/p>\n

Para\u00a0estudar no Col\u00e9gio Naval\u00a0deve-se prestar o\u00a0<\/b><\/span><\/span>CPACN\u00a0<\/b><\/span><\/span><\/span>(Concurso P\u00fablico de Admiss\u00e3o ao Col\u00e9gio Naval), realizado\u00a0anualmente pela\u00a0<\/b><\/span><\/span>DEnsM, Diretoria de Ensino da Marinha<\/b><\/span><\/span><\/span>. O PSACN \u00e9\u00a0constitu\u00eddo de\u00a0<\/b><\/span><\/span>duas fases,\u00a0<\/b><\/span><\/span><\/span>sendo que a\u00a0<\/b><\/span><\/span>primeira \u00e9 a de Matem\u00e1tica<\/b><\/span><\/span><\/span>. Os candidatos\u00a0aprovados na primeira fase avan\u00e7am para a\u00a0<\/b><\/span><\/span>segunda,<\/b><\/span><\/span><\/span>\u00a0constitu\u00edda pelas mat\u00e9rias\u00a0<\/b><\/span><\/span>Portugu\u00eas, Estudos Sociais, Ci\u00eancias e Reda\u00e7\u00e3o.<\/b><\/span><\/span><\/span>\u00a0O concurso \u00e9 a n\u00edvel de Ensino Fundamental, e \u00e9\u00a0disputado a n\u00edvel nacional. \u00c9 um dos\u00a0<\/b><\/span><\/span>concursos mais dif\u00edceis e concorridos\u00a0da Am\u00e9rica Latina para essa faixa et\u00e1ria (15-18 anos)<\/b><\/span><\/span><\/span>, sendo recomendado alguns meses de preparo. O concurso ainda conta com um exame de sa\u00fade e um exame f\u00edsico, ambos eliminat\u00f3rios.<\/b><\/span><\/span><\/p>\n

A Institui\u00e7\u00e3o<\/b><\/span><\/span><\/span><\/p>\n

O\u00a0<\/b><\/span><\/span>Col\u00e9gio Naval\u00a0<\/b><\/span><\/span><\/span>\u00e9 uma tradicional institui\u00e7\u00e3o da\u00a0<\/b><\/span><\/span>Marinha do Brasil<\/b><\/span><\/span><\/span><\/a>, com mais de cinq\u00fcenta anos de exist\u00eancia. Tem por objetivo a\u00a0forma\u00e7\u00e3o de seus Alunos para o posterior ingresso na\u00a0<\/b><\/span><\/span>Escola Naval<\/b><\/span><\/span><\/span><\/a>, quando passam, ent\u00e3o, a ser Aspirantes. Os candidatos nele ingressam, anualmente,\u00a0por concurso p\u00fablico. O\u00a0curso dura tr\u00eas anos e equivale\u00a0ao\u00a0<\/b><\/span><\/span>Ensino M\u00e9dio<\/b><\/span><\/span><\/span><\/a>, acrescido de\u00a0<\/b><\/span><\/span>instru\u00e7\u00e3o naval especializada.<\/b><\/span><\/span><\/span><\/p>\n

\u00c9\u00a0<\/b><\/span><\/span>reconhecido nacionalmente\u00a0como\u00a0centro de excel\u00eancia no ensino secund\u00e1rio no pa\u00eds<\/b><\/span><\/span><\/span>, condi\u00e7\u00e3o comprovada pelos \u00faltimos resultados obtidos pela institui\u00e7\u00e3o em avalia\u00e7\u00f5es realizadas pelo Governo Federal em todas as escolas p\u00fablicas do Ensino M\u00e9dio<\/b><\/span><\/span><\/p>\n

01-(COL\u00c9GIO NAVAL \u2013 2017\/18)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

02-(COL\u00c9GIO NAVAL \u2013 2017\/18) <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Com <\/b><\/span><\/span><\/span>rela\u00e7\u00e3o aos conceitos da f\u00edsica, assinale<\/b><\/span><\/span><\/span> a <\/b><\/span><\/span><\/span>op\u00e7\u00e3o correta.<\/b><\/span><\/span><\/span><\/p>\n

a) <\/b><\/span><\/span><\/span>Em <\/b><\/span><\/span><\/span>qualquer meio transparente, <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>propaga\u00e7\u00e3o <\/b><\/span><\/span><\/span>da <\/b><\/span><\/span><\/span>luz <\/b><\/span><\/span><\/span>ocorre <\/b><\/span><\/span><\/span>sempre em linha reta.\u00a0<\/b><\/span><\/span><\/span><\/p>\n

b) <\/b><\/span><\/span><\/span>A <\/b><\/span><\/span><\/span>patina\u00e7\u00e3o sobre o gelo <\/b><\/span><\/span><\/span>acontece porque o <\/b><\/span><\/span><\/span>aumento da press\u00e3o, <\/b><\/span><\/span><\/span>exercida <\/b><\/span><\/span><\/span>pelos patins, altera<\/b><\/span><\/span><\/span> a <\/b><\/span><\/span><\/span>temperatura de fus\u00e3o do gelo.<\/b><\/span><\/span><\/span><\/p>\n

c) <\/b><\/span><\/span><\/span>As <\/b><\/span><\/span><\/span>garrafas e outros objetos jogados no mar <\/b><\/span><\/span><\/span>chegam at\u00e9 as praias <\/b><\/span><\/span><\/span>transportados pelas ondas.<\/b><\/span><\/span><\/span><\/p>\n

d) <\/b><\/span><\/span><\/span>No <\/b><\/span><\/span><\/span>processo de eletriza\u00e7\u00e3o por contato, <\/b><\/span><\/span><\/span>o corpo que <\/b><\/span><\/span><\/span>recebe el\u00e9trons fica negativo <\/b><\/span><\/span><\/span>e o <\/b><\/span><\/span><\/span>que perde el\u00e9trons fica positivo.<\/b><\/span><\/span><\/span><\/p>\n

e) <\/b><\/span><\/span><\/span>As <\/b><\/span><\/span><\/span>b\u00fassolas magn\u00e9ticas <\/b><\/span><\/span><\/span>s\u00e3o muito <\/b><\/span><\/span><\/span>importantes na navega\u00e7\u00e3o <\/b><\/span><\/span><\/span>porque <\/b><\/span><\/span><\/span>apontam precisamente<\/b><\/span><\/span><\/span> para o <\/b><\/span><\/span><\/span>norte geogr\u00e1fico.<\/b><\/span><\/span><\/span><\/p>\n

03-(COL\u00c9GIO NAVAL \u2013 2017\/18) <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Em uma <\/b><\/span><\/span><\/span>aula pr\u00e1tica, <\/b><\/span><\/span><\/span>um <\/b><\/span><\/span><\/span>grupo de alunos <\/b><\/span><\/span><\/span>recebeu como <\/b><\/span><\/span><\/span>tarefa<\/b><\/span><\/span><\/span> a <\/b><\/span><\/span><\/span>montagem de um dispositivo <\/b><\/span><\/span><\/span>e<\/b><\/span><\/span><\/span>l\u00e9trico <\/b><\/span><\/span><\/span>que fosse <\/b><\/span><\/span><\/span>capaz de produzir a maior pot\u00eancia poss\u00edvel <\/b><\/span><\/span><\/span>quando <\/b><\/span><\/span><\/span>ligado a uma fonte de 125 V. <\/b><\/span><\/span><\/span>Para isso, <\/b><\/span><\/span><\/span>receberam 4 resistores iguais<\/b><\/span><\/span><\/span>, conforme <\/b><\/span><\/span><\/span>mostrado<\/b><\/span><\/span><\/span> na <\/b><\/span><\/span><\/span>figura<\/b><\/span><\/span><\/span> a seguir.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Sendo assim, <\/b><\/span><\/span><\/span>para cumprir essa atividade <\/b><\/span><\/span><\/span>de <\/b><\/span><\/span><\/span>forma correta, <\/b><\/span><\/span><\/span>o grupo <\/b><\/span><\/span><\/span>associou\u00a0<\/b><\/span><\/span><\/span><\/p>\n

a) quatro resistores em s\u00e9rie <\/b><\/span><\/span><\/span>e obteve um dispositivo de <\/b><\/span><\/span><\/span>625 W.<\/b><\/span><\/span><\/span><\/p>\n

b) quatro resistores em paralelo <\/b><\/span><\/span><\/span>e obteve um dispositivo de <\/b><\/span><\/span><\/span>625 W.<\/b><\/span><\/span><\/span><\/p>\n

c) tr\u00eas resistores em paralelo <\/b><\/span><\/span><\/span>e obteve um dispositivo de <\/b><\/span><\/span><\/span>680 W.<\/b><\/span><\/span><\/span><\/p>\n

d) dois resistores em paralelo <\/b><\/span><\/span><\/span>e obteve um dispositivo de <\/b><\/span><\/span><\/span>470 W.<\/b><\/span><\/span><\/span><\/p>\n

e) dois resistores em s\u00e9rie <\/b><\/span><\/span><\/span>e obteve um dispositivo de <\/b><\/span><\/span><\/span>470 W.\u00a0 <\/b><\/span><\/span><\/span><\/p>\n

04-(COL\u00c9GIO NAVAL \u2013 2017\/18) <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

05-(COL\u00c9GIO NAVAL \u2013 2017\/18) <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

A <\/b><\/span><\/span><\/span>figura abaixo<\/b><\/span><\/span><\/span> representa uma <\/b><\/span><\/span><\/span>grua (tamb\u00e9m chamada de guindaste e, nos navios, pau de carga), <\/b><\/span><\/span><\/span>que \u00e9 um <\/b><\/span><\/span><\/span>equipamento utilizado para a eleva\u00e7\u00e3o <\/b><\/span><\/span><\/span>e a <\/b><\/span><\/span><\/span>movimenta\u00e7\u00e3o de cargas e materiais pesados. <\/b><\/span><\/span><\/span>Seu <\/b><\/span><\/span><\/span>funcionamento \u00e9 semelhante <\/b><\/span><\/span><\/span>a uma <\/b><\/span><\/span><\/span>m\u00e1quina simples <\/b><\/span><\/span><\/span>que <\/b><\/span><\/span><\/span>cria<\/b><\/span><\/span><\/span> <\/b>vantagem mec\u00e2nica para mover cargas al\u00e9m da capacidade humana.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Considerando<\/b><\/span><\/span><\/span> que o <\/b><\/span><\/span><\/span>contrapeso da grua <\/b><\/span><\/span><\/span>mostrada na figura acima tenha uma <\/b><\/span><\/span><\/span>massa de 15 toneladas, <\/b><\/span><\/span><\/span>pode-se <\/b><\/span><\/span><\/span>afirmar que a carga m\u00e1xima, em kg, <\/b><\/span><\/span><\/span>que <\/b><\/span><\/span><\/span>poder\u00e1 ser erguida <\/b><\/span><\/span><\/span>por ela nas <\/b><\/span><\/span><\/span>posi\u00e7\u00f5es 1, 2 e 3, respectivamente, <\/b><\/span><\/span><\/span>\u00e9 de<\/b><\/span><\/span><\/span><\/p>\n

a) <\/b><\/span><\/span><\/span>12 000; 8 000; 6 000<\/b><\/span><\/span><\/span><\/p>\n

b) <\/b><\/span><\/span><\/span>12 000; 6 500: 5 000<\/b><\/span><\/span><\/span><\/p>\n

c) <\/b><\/span><\/span><\/span>12 000; 7 500; 6 000<\/b><\/span><\/span><\/span><\/p>\n

d) <\/b><\/span><\/span><\/span>10 000; 8 500; 7 000<\/b><\/span><\/span><\/span><\/p>\n

e) <\/b><\/span><\/span><\/span>10 000; 7 500; 6 000<\/b><\/span><\/span><\/span><\/p>\n

06-(COL\u00c9GIO NAVAL \u2013 2017\/18) <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Com <\/b><\/span><\/span><\/span>rela\u00e7\u00e3o \u00e0 \u00f3ptica geom\u00e9trica, analise<\/b><\/span><\/span><\/span> as <\/b><\/span><\/span><\/span>afirmativas abaixo.<\/b><\/span><\/span><\/span><\/p>\n

A <\/b><\/span><\/span><\/span>energia solar \u00e9 a convers\u00e3o de luz solar em eletricidade, <\/b><\/span><\/span><\/span>quer <\/b><\/span><\/span><\/span>diretamente, utilizando energia fotovoltaica (PV), <\/b><\/span><\/span><\/span>ou <\/b><\/span><\/span><\/span>indiretamente, utilizando energia solar concentrada (CSP).<\/b><\/span><\/span><\/span><\/p>\n

\"\"\"\"<\/p>\n

Sistemas CSP usam lentes ou espelhos <\/b><\/span><\/span><\/span>para <\/b><\/span><\/span><\/span>focar uma grande \u00e1rea de luz solar <\/b><\/span><\/span><\/span>em uma <\/b><\/span><\/span><\/span>pequena viga,<\/b><\/span><\/span><\/span> enquanto a <\/b><\/span><\/span><\/span>PV converte a luz em corrente el\u00e9trica <\/b><\/span><\/span><\/span>usando o <\/b><\/span><\/span><\/span>efeito fotoel\u00e9trico. <\/b><\/span><\/span><\/span><\/p>\n

Sendo assim, <\/b><\/span><\/span><\/span>pode-se afirmar que, no sistema CSP:<\/b><\/span><\/span><\/span>\u00a0\u00a0<\/b><\/span><\/span><\/span><\/p>\n

l- <\/b><\/span><\/span><\/span>as <\/b><\/span><\/span><\/span>lentes s\u00e3o c\u00f4ncavas <\/b><\/span><\/span><\/span>e possuem <\/b><\/span><\/span><\/span>comportamento \u00f3ptico divergente<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

lI- <\/b><\/span><\/span><\/span>as <\/b><\/span><\/span><\/span>lentes s\u00e3o convexas <\/b><\/span><\/span><\/span>e possuem <\/b><\/span><\/span><\/span>comportamento \u00f3ptico convergente.<\/b><\/span><\/span><\/span><\/p>\n

III- <\/b><\/span><\/span><\/span>os <\/b><\/span><\/span><\/span>espelhos s\u00e3o c\u00f4ncavos <\/b><\/span><\/span><\/span>e podem <\/b><\/span><\/span><\/span>produzir imagem virtual.<\/b><\/span><\/span><\/span><\/p>\n

IV- <\/b><\/span><\/span><\/span>os <\/b><\/span><\/span><\/span>espelhos s\u00e3o convexos <\/b><\/span><\/span><\/span>e podem <\/b><\/span><\/span><\/span>produzir imagem virtual.<\/b><\/span><\/span><\/span><\/p>\n

V- <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>pequena viga encontra-se no ponto focal dos espelhos e das lentes.<\/b><\/span><\/span><\/span><\/p>\n

Assinale a op\u00e7\u00e3o correta.<\/b><\/span><\/span><\/span><\/p>\n

a) <\/b><\/span><\/span><\/span>Somente as alternativas <\/b><\/span><\/span><\/span>I e III s\u00e3o verdadeiras.\u00a0<\/b><\/span><\/span><\/span><\/p>\n

b) <\/b><\/span><\/span><\/span>Somente as alternativas <\/b><\/span><\/span><\/span>II e IV s\u00e3o verdadeiras.<\/b><\/span><\/span><\/span><\/p>\n

c) <\/b><\/span><\/span><\/span>Somente as alternativas <\/b><\/span><\/span><\/span>II, III e V s\u00e3o verdadeiras<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

d) <\/b><\/span><\/span><\/span>Somente as alternativas <\/b><\/span><\/span><\/span>I, IV e V s\u00e3o verdadeiras.\u00a0<\/b><\/span><\/span><\/span><\/p>\n

e)<\/b><\/span><\/span><\/span>Somente as alternativas <\/b><\/span><\/span><\/span>III, IV e V s\u00e3o verdadeiras.<\/b><\/span><\/span><\/span><\/p>\n

 <\/p>\n

Confira a resolu\u00e7\u00e3o comentada<\/span><\/a><\/h3>\n

 <\/p>\n

Clique aqui para ver sobre o tema!<\/a><\/p>\n

Confira as v\u00eddeo aulas!<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

O\u00a0Col\u00e9gio Naval\u00a0\u00e9 uma\u00a0institui\u00e7\u00e3o\u00a0militar\u00a0de ensino\u00a0com mais de meio s\u00e9culo de exist\u00eancia localizada na enseada Batista das Neves, no munic\u00edpio de\u00a0Angra dos Reis, estado do\u00a0Rio de Janeiro, cuja\u00a0miss\u00e3o \u00e9 preparar candidatos para o ingresso no\u00a0Curso de Gradua\u00e7\u00e3o da\u00a0Escola Naval, respons\u00e1vel pela forma\u00e7\u00e3o de\u00a0Oficiais da\u00a0Marinha do Brasil. Para\u00a0estudar no Col\u00e9gio Naval\u00a0deve-se prestar o\u00a0CPACN\u00a0(Concurso P\u00fablico de Admiss\u00e3o ao Col\u00e9gio Naval), realizado\u00a0anualmente pela\u00a0DEnsM, Diretoria de<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3353,"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-3933","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3933","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=3933"}],"version-history":[{"count":4,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3933\/revisions"}],"predecessor-version":[{"id":10387,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3933\/revisions\/10387"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3353"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=3933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}