{"id":15,"date":"2018-11-01T19:51:01","date_gmt":"2018-11-01T19:51:01","guid":{"rendered":"http:\/\/www.pasherco.es\/blogCienciesAve\/?p=15"},"modified":"2018-11-01T19:51:01","modified_gmt":"2018-11-01T19:51:01","slug":"tir-parabolic","status":"publish","type":"post","link":"http:\/\/www.pasherco.es\/blogCienciesAve\/fisica\/tir-parabolic\/","title":{"rendered":"Tir parab\u00f2lic"},"content":{"rendered":"\n<p>Un alumne de secundaria xuta una pilota\ncontra la porteria amb una velocitat inicial de 13 m\/s i amb un angle de 45 \u00ba\nrespecte del camp. La porteria es troba a 13 m. Determina:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Quin temps transcorre des de que l\u2019alumne xita fins que la pilota arriba a\nla porteria?<\/li><li>Convertir\u00e0 el gol? Per qu\u00e8?<\/li><li>A quina dist\u00e0ncia de la porteria cauria el bal\u00f3?<\/li><\/ol>\n\n\n\n<p><strong>Resposta:<\/strong> a) 1,41 s; c) 17,18 m<\/p>\n\n\n\n<p>Un cany\u00f3 que forma un angle de 45\u00ba amb l\u2019horitzontal\nllan\u00e7a un projectil a 20 m\/s, a 20 m d\u2019aquest es troba un mur de 21 metres d\u2019altura.\nDetermina:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>A quina altura del mur fa impacte el projectil?<\/li><li>Quina altura m\u00e0xima aconsegueix el projectil?<\/li><li>Quin ser\u00e0 el seu abast m\u00e0xim?<\/li><li>Quin temps passa entre el tir i l\u2019impacte amb el mur?<\/li><\/ol>\n\n\n\n<p><strong>Resposta:<\/strong> a) 9,75 m; b) 10,2 m;\nc) 40,82 m; d) 1,41 s<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un alumne de secundaria xuta una pilota contra la porteria amb una velocitat inicial de 13 m\/s i amb un angle de 45 \u00ba respecte del camp. La porteria es troba a 13 m. Determina: Quin temps transcorre des de &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[10,9],"class_list":["post-15","post","type-post","status-publish","format-standard","hentry","category-fisica","tag-fisica","tag-tir-parabolic"],"_links":{"self":[{"href":"http:\/\/www.pasherco.es\/blogCienciesAve\/wp-json\/wp\/v2\/posts\/15"}],"collection":[{"href":"http:\/\/www.pasherco.es\/blogCienciesAve\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.pasherco.es\/blogCienciesAve\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.pasherco.es\/blogCienciesAve\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.pasherco.es\/blogCienciesAve\/wp-json\/wp\/v2\/comments?post=15"}],"version-history":[{"count":1,"href":"http:\/\/www.pasherco.es\/blogCienciesAve\/wp-json\/wp\/v2\/posts\/15\/revisions"}],"predecessor-version":[{"id":16,"href":"http:\/\/www.pasherco.es\/blogCienciesAve\/wp-json\/wp\/v2\/posts\/15\/revisions\/16"}],"wp:attachment":[{"href":"http:\/\/www.pasherco.es\/blogCienciesAve\/wp-json\/wp\/v2\/media?parent=15"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.pasherco.es\/blogCienciesAve\/wp-json\/wp\/v2\/categories?post=15"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.pasherco.es\/blogCienciesAve\/wp-json\/wp\/v2\/tags?post=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}