{"id":17214,"date":"2024-09-21T20:44:56","date_gmt":"2024-09-21T23:44:56","guid":{"rendered":"https:\/\/xequematenem.com.br\/blog\/?p=17214"},"modified":"2024-09-21T20:44:57","modified_gmt":"2024-09-21T23:44:57","slug":"questao-85-enem-ppl-2015","status":"publish","type":"post","link":"https:\/\/xequematenem.com.br\/blog\/questao-85-enem-ppl-2015\/","title":{"rendered":"Quest\u00e3o 085 &#8211; ENEM PPL 2015"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Para irrigar sua planta\u00e7\u00e3o, um produtor rural construiu um reservat\u00f3rio a 20 metros de altura a partir da barragem de onde ser\u00e1 bombeada a \u00e1gua. Para alimentar o motor el\u00e9trico das bombas, ele instalou um painel fotovoltaico. A pot\u00eancia do painel varia de acordo com a incid\u00eancia solar, chegando a um valor de pico de 80 W ao meio-dia. Por\u00e9m, entre as 11 horas e 30 minutos e as 12 horas e 30 minutos, disponibiliza uma pot\u00eancia m\u00e9dia de 50 W. Considere a acelera\u00e7\u00e3o da gravidade igual a 10 m\/s2 e uma efici\u00eancia de transfer\u00eancia energ\u00e9tica de 100%. Qual \u00e9 o volume de \u00e1gua, em litros, bombeado para o reservat\u00f3rio no intervalo de tempo citado?&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A) 150&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B) 250&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C) 450&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D) 900&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">E) 1 440<\/p>\n\n\n\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><strong>Solu\u00e7\u00e3o<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sabendo que a pot\u00eancia a ser utilizada \u00e9 de 50W durante o intervalo de 1h, temos:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"322\" height=\"37\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-785.png\" alt=\"\" class=\"wp-image-17215 lazyload\" title=\"\" data-srcset=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-785.png 322w, https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-785-300x34.png 300w\" data-sizes=\"(max-width: 322px) 100vw, 322px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 322px; --smush-placeholder-aspect-ratio: 322\/37;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A massa da \u00e1gua \u00e9 calculada atrav\u00e9s da rela\u00e7\u00e3o:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"115\" height=\"104\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-786.png\" alt=\"\" class=\"wp-image-17216 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 115px; --smush-placeholder-aspect-ratio: 115\/104;\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Utilizando a rela\u00e7\u00e3o&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"90\" height=\"36\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-787.png\" alt=\"\" class=\"wp-image-17217 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 90px; --smush-placeholder-aspect-ratio: 90\/36;\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">para calcular a energia potencial e sabendo que \u03bc(\u00e1gua) = 1 g\/cm\u00b3 = 1 kg\/dm\u00b3, temos que:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"248\" height=\"150\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-789.png\" alt=\"\" class=\"wp-image-17219 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 248px; --smush-placeholder-aspect-ratio: 248\/150;\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Alternativa D<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Para irrigar sua planta\u00e7\u00e3o, um produtor rural construiu um reservat\u00f3rio a 20 metros de altura a partir da barragem de onde ser\u00e1 bombeada a \u00e1gua. Para alimentar o motor el\u00e9trico das bombas, ele instalou um painel fotovoltaico. A pot\u00eancia do painel varia de acordo com a incid\u00eancia solar, chegando a um valor de pico de [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87,94],"tags":[],"area-do-conhecimento":[116,121],"assunto":[],"class_list":["post-17214","post","type-post","status-publish","format-standard","hentry","category-questoes-ppl","category-2015-questoes-ppl","area-do-conhecimento-ciencias-da-natureza-e-suas-tecnologias","area-do-conhecimento-fisica"],"_links":{"self":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/17214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/comments?post=17214"}],"version-history":[{"count":1,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/17214\/revisions"}],"predecessor-version":[{"id":17220,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/17214\/revisions\/17220"}],"wp:attachment":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/media?parent=17214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/categories?post=17214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/tags?post=17214"},{"taxonomy":"area-do-conhecimento","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/area-do-conhecimento?post=17214"},{"taxonomy":"assunto","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/assunto?post=17214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}