{"id":16957,"date":"2024-09-21T16:09:52","date_gmt":"2024-09-21T19:09:52","guid":{"rendered":"https:\/\/xequematenem.com.br\/blog\/?p=16957"},"modified":"2024-09-21T16:09:54","modified_gmt":"2024-09-21T19:09:54","slug":"questao-112-enem-ppl-2017","status":"publish","type":"post","link":"https:\/\/xequematenem.com.br\/blog\/questao-112-enem-ppl-2017\/","title":{"rendered":"Quest\u00e3o 112 &#8211; ENEM PPL 2017"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">As especifica\u00e7\u00f5es de um chuveiro el\u00e9trico s\u00e3o: pot\u00eancia de 4 000 W, consumo m\u00e1ximo mensal de 21,6 kWh e vaz\u00e3o m\u00e1xima de 3 L\/min. Em um m\u00eas, durante os banhos, esse chuveiro foi usado com vaz\u00e3o m\u00e1xima, consumindo o valor m\u00e1ximo de energia especificado. O calor espec\u00edfico da \u00e1gua \u00e9 de 4 200 J\/(kg \u00b0C) e sua densidade \u00e9 igual a 1 kg\/L. A varia\u00e7\u00e3o da temperatura da \u00e1gua usada nesses banhos foi mais pr\u00f3xima de&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A 16 \u00b0C.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B 19 \u00b0C.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C 37 \u00b0C.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D 57 \u00b0C.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">E 60 \u00b0C.<\/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\">O consumo desse chuveiro \u00e9 calculado da seguinte forma<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"76\" height=\"35\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-649.png\" alt=\"\" class=\"wp-image-16958 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 76px; --smush-placeholder-aspect-ratio: 76\/35;\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Em que Q \u00e9 a quantidade de calor, P \u00e9 a pot\u00eancia e \u0394t \u00e9 o tempo utilizado<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lembrando que a quantidade de calor tamb\u00e9m pode ser representada como<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"100\" height=\"37\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-650.png\" alt=\"\" class=\"wp-image-16959 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100\/37;\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Assim:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"127\" height=\"87\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-651.png\" alt=\"\" class=\"wp-image-16960 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 127px; --smush-placeholder-aspect-ratio: 127\/87;\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">E a massa pode ser relacionada com sua densidade e volume m = \u03c1V<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"128\" height=\"68\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-652.png\" alt=\"\" class=\"wp-image-16961 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 128px; --smush-placeholder-aspect-ratio: 128\/68;\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Por fim, a vaz\u00e3o \u00e9 calculada como&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"123\" height=\"124\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-653.png\" alt=\"\" class=\"wp-image-16962 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 123px; --smush-placeholder-aspect-ratio: 123\/124;\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Convertendo as unidades de medida para o SI,<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"193\" height=\"37\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-654.png\" alt=\"\" class=\"wp-image-16963 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 193px; --smush-placeholder-aspect-ratio: 193\/37;\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"272\" height=\"61\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-655.png\" alt=\"\" class=\"wp-image-16964 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 272px; --smush-placeholder-aspect-ratio: 272\/61;\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Alternativa B<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>As especifica\u00e7\u00f5es de um chuveiro el\u00e9trico s\u00e3o: pot\u00eancia de 4 000 W, consumo m\u00e1ximo mensal de 21,6 kWh e vaz\u00e3o m\u00e1xima de 3 L\/min. Em um m\u00eas, durante os banhos, esse chuveiro foi usado com vaz\u00e3o m\u00e1xima, consumindo o valor m\u00e1ximo de energia especificado. O calor espec\u00edfico da \u00e1gua \u00e9 de 4 200 J\/(kg \u00b0C) [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87,96],"tags":[],"area-do-conhecimento":[116,121],"assunto":[],"class_list":["post-16957","post","type-post","status-publish","format-standard","hentry","category-questoes-ppl","category-2017-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\/16957","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=16957"}],"version-history":[{"count":1,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/16957\/revisions"}],"predecessor-version":[{"id":16965,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/16957\/revisions\/16965"}],"wp:attachment":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/media?parent=16957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/categories?post=16957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/tags?post=16957"},{"taxonomy":"area-do-conhecimento","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/area-do-conhecimento?post=16957"},{"taxonomy":"assunto","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/assunto?post=16957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}