{"id":1838,"date":"2018-01-22T13:24:43","date_gmt":"2018-01-22T12:24:43","guid":{"rendered":"http:\/\/agora.xtec.cat\/cfa-montseny\/?p=1838"},"modified":"2018-01-23T18:48:51","modified_gmt":"2018-01-23T17:48:51","slug":"nou-repte-de-la-setmana-el-maquinista","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/cfa-montseny\/general\/nou-repte-de-la-setmana-el-maquinista\/","title":{"rendered":"Nou repte de la setmana: el maquinista"},"content":{"rendered":"<p>El maquinista d\u2019un tren que va a 100 km\/h se n\u2019adona que si mant\u00e9 la velocitat arribar\u00e0 una hora tard a la seva destinaci\u00f3. Decideix augmentar la velocitat a 150 km\/h, per\u00f2 aleshores, els seus c\u00e0lculs indiquen que arribar\u00e0 a la seva destinaci\u00f3 una hora abans.<\/p>\n<p>A quina velocitat ha de circular per arribar puntualment a la seva destinaci\u00f3?<\/p>\n<p>Quina \u00e9s la dist\u00e0ncia entre el punt inicial i el d\u2019arribada?<\/p>\n<ul>\n<li>Soluci\u00f3 setmana anterior:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1839 alignright\" src=\"http:\/\/agora.xtec.cat\/cfa-montseny\/wp-content\/uploads\/usu661\/2018\/01\/tren.jpg-redimen.jpg\" alt=\"\" width=\"247\" height=\"139\" srcset=\"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-content\/uploads\/usu661\/2018\/01\/tren.jpg-redimen.jpg 1000w, https:\/\/agora.xtec.cat\/cfa-montseny\/wp-content\/uploads\/usu661\/2018\/01\/tren.jpg-redimen-300x169.jpg 300w, https:\/\/agora.xtec.cat\/cfa-montseny\/wp-content\/uploads\/usu661\/2018\/01\/tren.jpg-redimen-768x432.jpg 768w\" sizes=\"auto, (max-width: 247px) 100vw, 247px\" \/><br \/>\n<table style=\"height: 121px;\" width=\"129\">\n<tbody>\n<tr>\n<td style=\"width: 39.5833px;\">9<\/td>\n<td style=\"width: 39.6px;\">5<\/td>\n<td style=\"width: 39.5833px;\">3<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 39.5833px;\">8<\/td>\n<td style=\"width: 39.6px;\">1<\/td>\n<td style=\"width: 39.5833px;\">4<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 39.5833px;\">7<\/td>\n<td style=\"width: 39.6px;\">2<\/td>\n<td style=\"width: 39.5833px;\">5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>El maquinista d\u2019un tren que va a 100 km\/h se n\u2019adona que si mant\u00e9 la velocitat arribar\u00e0 una hora tard a la seva destinaci\u00f3. Decideix augmentar la velocitat a 150 km\/h, per\u00f2 aleshores, els seus c\u00e0lculs indiquen que arribar\u00e0 a la seva destinaci\u00f3 una hora&hellip;  <a href=\"https:\/\/agora.xtec.cat\/cfa-montseny\/general\/nou-repte-de-la-setmana-el-maquinista\/\" title=\"Read Nou repte de la setmana: el maquinista\">Llegeix m\u00e9s\u00bb<\/a><\/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,"footnotes":""},"categories":[1,29],"tags":[149,147,150],"class_list":["post-1838","post","type-post","status-publish","format-standard","hentry","category-general","category-portada","tag-curs-17-18","tag-jocs-matematics","tag-repte-matematic"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-json\/wp\/v2\/posts\/1838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-json\/wp\/v2\/comments?post=1838"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-json\/wp\/v2\/posts\/1838\/revisions"}],"predecessor-version":[{"id":1842,"href":"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-json\/wp\/v2\/posts\/1838\/revisions\/1842"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-json\/wp\/v2\/media?parent=1838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-json\/wp\/v2\/categories?post=1838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfa-montseny\/wp-json\/wp\/v2\/tags?post=1838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}