{"id":6615,"date":"2011-03-19T00:06:01","date_gmt":"2011-03-19T00:06:01","guid":{"rendered":"https:\/\/www.acasinhadamatematica.pt\/?p=6615"},"modified":"2022-01-19T22:37:18","modified_gmt":"2022-01-19T22:37:18","slug":"os-navios-possuem-uma-sonda-sonora-especial","status":"publish","type":"post","link":"https:\/\/www.acasinhadamatematica.pt\/?p=6615","title":{"rendered":"Os navios possuem uma sonda sonora especial"},"content":{"rendered":"<p><ul id='GTTabs_ul_6615' class='GTTabs' style='display:none'>\n<li id='GTTabs_li_0_6615' class='GTTabs_curr'><a  id=\"6615_0\" onMouseOver=\"GTTabsShowLinks('Enunciado'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Enunciado<\/a><\/li>\n<li id='GTTabs_li_1_6615' ><a  id=\"6615_1\" onMouseOver=\"GTTabsShowLinks('Resolu\u00e7\u00e3o'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Resolu\u00e7\u00e3o<\/a><\/li>\n<\/ul>\n\n<div class='GTTabs_divs GTTabs_curr_div' id='GTTabs_0_6615'>\n<span class='GTTabs_titles'><b>Enunciado<\/b><\/span><\/p>\n<p>Os navios possuem uma sonda sonora especial para determinar a profundidade do lugar onde se encontram. Essa sonda envia uma onda sonora que bate no fundo do mar e o retorno \u00e9 ouvido ap\u00f3s alguns segundos.<\/p>\n<p>Um navio enviou uma onda sonora que levou 0,6 segundos a ser ouvida.<\/p>\n<p>Sabendo que a velocidade de propaga\u00e7\u00e3o do som na \u00e1gua \u00e9 de aproximadamente $1,5\\times {{10}^{3}}$ metros por segundo, qual \u00e9 a profundidade da \u00e1gua sob esse navio?<\/p>\n<p><div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_next'><a href='#GTTabs_ul_6615' onClick='GTTabs_show(1,6615)'>Resolu\u00e7\u00e3o &gt;&gt;<\/a><\/span><\/div><\/div>\n\n<div class='GTTabs_divs' id='GTTabs_1_6615'>\n<span class='GTTabs_titles'><b>Resolu\u00e7\u00e3o<\/b><\/span><!--more--><\/p>\n<p>\\[P=\\frac{0,6\\,s\\times 1,5\\times {{10}^{3}}\\,m\/s}{2}=0,3\\times 1,5\\times {{10}^{3}}\\,m=0,45\\times {{10}^{3}}\\,m=450\\,m\\]<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6619\" data-permalink=\"https:\/\/www.acasinhadamatematica.pt\/?attachment_id=6619\" data-orig-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/03\/image_sci_forces035b.jpg\" data-orig-size=\"272,350\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"image_sci_forces035b\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/03\/image_sci_forces035b.jpg\" class=\"alignright wp-image-6619 size-full\" src=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/03\/image_sci_forces035b.jpg\" alt=\"\" width=\"272\" height=\"350\" srcset=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/03\/image_sci_forces035b.jpg 272w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/03\/image_sci_forces035b-233x300.jpg 233w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/03\/image_sci_forces035b-116x150.jpg 116w\" sizes=\"auto, (max-width: 272px) 100vw, 272px\" \/>A profundidade da \u00e1gua sob esse navio \u00e9 de 450 metros.<\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-6615-1\" loop autoplay preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/03\/Sonar_pings.mp3?_=1\" \/><a href=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/03\/Sonar_pings.mp3\">https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/03\/Sonar_pings.mp3<\/a><\/audio>\n<div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_prev'><a href='#GTTabs_ul_6615' onClick='GTTabs_show(0,6615)'>&lt;&lt; Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Enunciado Resolu\u00e7\u00e3o Enunciado Os navios possuem uma sonda sonora especial para determinar a profundidade do lugar onde se encontram. Essa sonda envia uma onda sonora que bate no fundo do mar e o retorno&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":20695,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[100,137,97],"tags":[143],"series":[],"class_list":["post-6615","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-8--ano","category-ainda-os-numeros","category-aplicando","tag-notacao-cientifica"],"views":2776,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/03\/8V1Pag117-6_520x245.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/6615","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6615"}],"version-history":[{"count":1,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/6615\/revisions"}],"predecessor-version":[{"id":22868,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/6615\/revisions\/22868"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/media\/20695"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6615"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6615"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6615"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=6615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}