{"id":3906,"date":"2018-04-30T15:33:34","date_gmt":"2018-04-30T15:33:34","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=3906"},"modified":"2024-09-04T12:40:46","modified_gmt":"2024-09-04T12:40:46","slug":"resolucao-comentada-das-questoes-de-fisica-da-uece-ce-2018","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2018\/uece-2018\/resolucao-comentada-das-questoes-de-fisica-da-uece-ce-2018\/","title":{"rendered":"Resolu\u00e7\u00e3o comentada das quest\u00f5es de F\u00cdSICA da UECE \u2013 CE \u2013 2018"},"content":{"rendered":"

Resolu\u00e7\u00e3o comentada das quest\u00f5es de F\u00cdSICA da <\/span><\/span><\/span><\/p>\n

UECE \u2013 CE \u2013 2018<\/span><\/span><\/span><\/p>\n

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

\"\"R- C \u00a0\u00a0\u00a0<\/b><\/span><\/span><\/span><\/p>\n

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

\"\"<\/p>\n

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

\"\"<\/p>\n

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

A press\u00e3o no\u00a0<\/b><\/span><\/span><\/span>ponto B devida apenas \u00e0 coluna l\u00edquida P<\/b><\/span><\/span><\/span>l\u00edquido<\/b><\/span><\/span><\/sub><\/span>= d<\/b><\/span><\/span><\/span>l\u00edquido<\/b><\/span><\/span><\/sub><\/span>.g.h<\/b><\/span><\/span><\/span>\u00a0\u00e9 chamada\u00a0<\/b><\/span><\/span><\/span>de\u00a0press\u00e3o<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

hidrost\u00e1tica\u00a0<\/b><\/span><\/span><\/span>e\u00a0<\/b><\/span><\/span><\/span>P<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span>= P<\/b><\/span><\/span><\/span>atm<\/b><\/span><\/span><\/sub><\/span>\u00a0+ d<\/b><\/span><\/span><\/span>l\u00edquido<\/b><\/span><\/span><\/sub><\/span>.g.h \u00e9 chamada de press\u00e3o total, press\u00e3o absoluta ou simplesmente press\u00e3o.<\/b><\/span><\/span><\/span><\/p>\n

Press\u00e3o no fundo \"\" P =<\/b><\/span><\/span><\/span> 10<\/b><\/span><\/span><\/span>5<\/b><\/span><\/span><\/sup><\/span> N\/m<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sup><\/span>; <\/b><\/span><\/span><\/span>d<\/b><\/span><\/span><\/span>\u00e1gua<\/b><\/span><\/span><\/sub><\/span> =<\/b><\/span><\/span><\/span> 1 kg\/L = 10<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sup><\/span> kg\/m<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sup><\/span>; <\/b><\/span><\/span><\/span>g =<\/b><\/span><\/span><\/span> 10 m\/s<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sup><\/span> e <\/b><\/span><\/span><\/span>h =<\/b><\/span><\/span><\/span> ?<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

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

\"\"<\/p>\n

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

\"\"<\/p>\n

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

\"\"<\/p>\n

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

Rela\u00e7\u00e3o entre pot\u00eancia m\u00e9dia (P<\/b><\/span><\/span><\/span>m<\/b><\/span><\/span><\/sub><\/span>) e velocidade m\u00e9dia (V<\/b><\/span><\/span><\/span>m<\/b><\/span><\/span><\/sub><\/span>)<\/b><\/span><\/span><\/span><\/p>\n

Considere uma\u00a0<\/b><\/span><\/span><\/span>for\u00e7a constante de intensidade F<\/b><\/span><\/span><\/span>\u00a0realizando um\u00a0<\/b><\/span><\/span><\/span>trabalho W<\/b><\/span><\/span><\/span>\u00a0num\u00a0<\/b><\/span><\/span><\/span>deslocamento d,<\/b><\/span><\/span><\/span>\u00a0de modo que a\u00a0<\/b><\/span><\/span><\/span>dire\u00e7\u00e3o de\u00a0F\u00a0forme um \u00e2ngulo\u00a0\u03b1<\/b><\/span><\/span><\/span>\u00a0com a\u00a0<\/b><\/span><\/span><\/span>dire\u00e7\u00e3o do deslocamento.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

A\u00a0<\/b><\/span><\/span><\/span>pot\u00eancia instant\u00e2nea P<\/b><\/span><\/span><\/span>o<\/b><\/span><\/span><\/sub><\/span>\u00a0\u00e9 obtida substituindo-se a\u00a0<\/b><\/span><\/span><\/span>velocidade m\u00e9dia V<\/b><\/span><\/span><\/span>m<\/b><\/span><\/span><\/sub><\/span>\u00a0pela instant\u00e2nea V<\/b><\/span><\/span><\/span>\u00a0\"\"\u00a0<\/b><\/span><\/span><\/span><\/p>\n

\u00a0<\/span>P<\/b><\/span><\/span><\/span>o<\/b><\/span><\/span><\/sub><\/span>\u00a0= F.V.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

 <\/p>\n

Voltar para os exerc\u00edcios<\/span><\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"

Resolu\u00e7\u00e3o comentada das quest\u00f5es de F\u00cdSICA da UECE \u2013 CE \u2013 2018 01- R- C \u00a0\u00a0\u00a0 02- 03- 04- A press\u00e3o no\u00a0ponto B devida apenas \u00e0 coluna l\u00edquida Pl\u00edquido= dl\u00edquido.g.h\u00a0\u00e9 chamada\u00a0de\u00a0press\u00e3o hidrost\u00e1tica\u00a0e\u00a0PB= Patm\u00a0+ dl\u00edquido.g.h \u00e9 chamada de press\u00e3o total, press\u00e3o absoluta ou simplesmente press\u00e3o. Press\u00e3o no fundo P = 105 N\/m2; d\u00e1gua = 1 kg\/L = 103 kg\/m3; g =<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3904,"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-3906","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3906","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=3906"}],"version-history":[{"count":1,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3906\/revisions"}],"predecessor-version":[{"id":3907,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3906\/revisions\/3907"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3904"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=3906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}