{"id":494,"date":"2011-08-23T20:11:15","date_gmt":"2011-08-23T18:11:15","guid":{"rendered":"http:\/\/www.zsvltava.cz\/fyzika\/?p=494"},"modified":"2025-04-10T07:50:04","modified_gmt":"2025-04-10T05:50:04","slug":"priklad-na-vypocet-rychlosti-vcela","status":"publish","type":"post","link":"https:\/\/www.zsvltava.cz\/fyzika\/?p=494","title":{"rendered":"P\u0159\u00edklad  se v\u010delou"},"content":{"rendered":"<p>Jak dlouho trv\u00e1 v\u010dele, ne\u017e se vr\u00e1t\u00ed do \u00falu z cesty na 2,7 km vzd\u00e1lenou louku? V\u010dela l\u00e9t\u00e1 rychlost\u00ed 6 m\/s. Dobu po kterou sb\u00edr\u00e1 nektar, nebudeme br\u00e1t v \u00favahu.<\/p>\n<h3>N\u011bkolik zaj\u00edmavost\u00ed o v\u010del\u00e1ch:<\/h3>\n<ul>\n<li>Trubec a d\u011blnice (ta co sb\u00edr\u00e1 &#8222;med&#8220;) \u017eij\u00ed pr\u016fm\u011brn\u011b  6 &#8211; 8 t\u00fddn\u016f. D\u00e1 se \u0159\u00edci, \u017ee um\u00edraj\u00ed vy\u010derp\u00e1n\u00edm prac\u00ed.<\/li>\n<li>V\u010dela, kter\u00e1 se narod\u00ed na konci l\u00e9ta nebo na podzim, se do\u017e\u00edv\u00e1 6 &#8211; 8 m\u011bs\u00edc\u016f. \u0158\u00edk\u00e1 se j\u00ed zimn\u00ed v\u010dela.<\/li>\n<li>Z jednoho letu p\u0159in\u00e1\u0161\u00ed asi 40 mg nektaru nebo 15 \u2013 20 mg pylu.<\/li>\n<li>Na 1 kg medu mus\u00ed v\u010dela nav\u0161t\u00edvit 2,5 mili\u00f3nu kv\u011bt\u016f.<\/li>\n<li>Pro 1 kg medu mus\u00ed vykonat 50 &#8211; 60 tis\u00edc cest.<\/li>\n<li>V jednom v\u010delstvu je obvykle 60 000 d\u011blnic.<\/li>\n<li>Pro pyl\/nektar l\u00e9taj\u00ed obvykle v okruhu 5 km.<\/li>\n<li>Jedna v\u010dela nav\u0161t\u00edv\u00ed za minutu 10 kv\u011bt\u016f.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Jak dlouho trv\u00e1 v\u010dele, ne\u017e se vr\u00e1t\u00ed do \u00falu z cesty na 2,7 km vzd\u00e1lenou louku? V\u010dela l\u00e9t\u00e1 rychlost\u00ed 6 m\/s. Dobu po kterou sb\u00edr\u00e1 &#8230;. <\/p>\n","protected":false},"author":1,"featured_media":2557,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[28],"class_list":["post-494","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-priklady-pro-6-rocnik","tag-vypocet-rychlosti"],"_links":{"self":[{"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/posts\/494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=494"}],"version-history":[{"count":0,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/posts\/494\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/media\/2557"}],"wp:attachment":[{"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}