{"id":435,"date":"2013-04-28T00:05:42","date_gmt":"2013-04-27T23:05:42","guid":{"rendered":"http:\/\/agora.xtec.cat\/iesperefontdevila\/general\/videomat-2013\/"},"modified":"2025-07-30T17:19:27","modified_gmt":"2025-07-30T15:19:27","slug":"videomat-2013","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesperefontdevila\/eso\/3eso\/videomat-2013\/","title":{"rendered":"Videomat 2013"},"content":{"rendered":"<p>Una colla d&#8217;alumnes de diferents grups de l&#8217;Institut Pere Fontdevila ha realitzat un v\u00eddeo de matem\u00e0tiques. Aquest v\u00eddeo concursa al Videomat.<br \/>\nEl v\u00eddeo planteja, experimenta i demostra la paradoxa de la banda esferica.<\/p>\n<p><i>Suposem una corda que envolta completament el per\u00edmetre de la Terra. En un determinat punt la tallem i li afegim 10 metres. D&#8217;aquesta manera el cercle quedar\u00e0 eixamplat i la corda s&#8217;aixecar\u00e0 del terra &#8230; quina altura? Hi podr\u00e0 passar per sota un full, una pilota, una persona?<\/i><\/p>\n<p>Mireu atentament <a href=\"http:\/\/youtu.be\/Qy_2v8-fenc\">el v\u00eddeo<\/a> i us sorprendreu.<\/p>\n<p>Un dels premis de videomat s&#8217;assigna per votaci\u00f3 popular a qui obtingui m\u00e9s &#8220;M&#8217;agrada&#8221; dintre de la web del Youtube (no del facebook), per aix\u00f2 cal entrar a Youtube amb un nom d&#8217;usuari.<\/p>\n<p>Feu una ullada a <a href=\"http:\/\/phobos.xtec.cat\/creamat\/videomat\/?p=382\">tots els v\u00eddeos del concurs videomat<\/a>.<br \/>\nEstem segurs que sobretot us agradar\u00e0 el dels nostres companys aix\u00ed que <b>VOTEU M&#8217;AGRADA al Youtube<\/b><\/p>\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/Qy_2v8-fenc\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p><iframe loading=\"lazy\" width=\"224\" height=\"126\" src=\"https:\/\/www.youtube.com\/embed\/Qy_2v8-fenc\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[29,130,131,6,7,74,219,232,231,226,164],"tags":[],"class_list":["post-435","post","type-post","status-publish","format-standard","hentry","category-portada","category-1bat","category-2bat","category-3eso","category-4eso","category-matematiques","category-promocio_2007-13","category-promocio_2008-14","category-promocio_2009-15","category-promocio_2010-16","category-teatre"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iesperefontdevila\/wp-json\/wp\/v2\/posts\/435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesperefontdevila\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesperefontdevila\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesperefontdevila\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesperefontdevila\/wp-json\/wp\/v2\/comments?post=435"}],"version-history":[{"count":4,"href":"https:\/\/agora.xtec.cat\/iesperefontdevila\/wp-json\/wp\/v2\/posts\/435\/revisions"}],"predecessor-version":[{"id":11358,"href":"https:\/\/agora.xtec.cat\/iesperefontdevila\/wp-json\/wp\/v2\/posts\/435\/revisions\/11358"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesperefontdevila\/wp-json\/wp\/v2\/media?parent=435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesperefontdevila\/wp-json\/wp\/v2\/categories?post=435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesperefontdevila\/wp-json\/wp\/v2\/tags?post=435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}