{"id":1811,"date":"2019-10-16T12:00:28","date_gmt":"2019-10-16T10:00:28","guid":{"rendered":"http:\/\/www.zsvltava.cz\/fyzika\/?p=1811"},"modified":"2025-04-10T07:53:55","modified_gmt":"2025-04-10T05:53:55","slug":"priklad-na-vypocet-rychlosti-rakosnik-zpevny","status":"publish","type":"post","link":"https:\/\/www.zsvltava.cz\/fyzika\/?p=1811","title":{"rendered":"P\u0159\u00edklad s R\u00e1kosn\u00edkem zp\u011bvn\u00fdm"},"content":{"rendered":"<p>R\u00e1kosn\u00edk zp\u011bvn\u00fd je drobn\u00fd pt\u00e1k p\u011bvec, o n\u011bco men\u0161\u00ed ne\u017e vrabec. V \u010cesk\u00e9 republice hn\u00edzd\u00ed mezi 50 &#8211; 100 tis\u00edci p\u00e1r\u016f. Na zimu odl\u00e9t\u00e1 R\u00e1kosn\u00edk do ji\u017en\u00ed Afriky. Cestou tak uraz\u00ed kolem 9 000 km. P\u0159i st\u011bhov\u00e1n\u00ed pt\u00e1ci obvykle putuj\u00ed v noci, rychlost\u00ed mezi 30 km\/h &#8211; 60 km\/h. <\/p>\n<p><strong>Jak dlouho &#8211; kolik dn\u00ed &#8211; trv\u00e1 R\u00e1kosn\u00edkovi cesta do Afriky?<\/strong> <\/p>\n<p><a href=\"\/fyzika\/wp-content\/uploads\/2013\/11\/cz-to-durban.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"549\" height=\"356\" src=\"\/fyzika\/wp-content\/uploads\/2013\/11\/cz-to-durban.jpg\" alt=\"\" class=\"size-full wp-image-1812\" srcset=\"https:\/\/www.zsvltava.cz\/fyzika\/wp-content\/uploads\/2013\/11\/cz-to-durban.jpg 549w, https:\/\/www.zsvltava.cz\/fyzika\/wp-content\/uploads\/2013\/11\/cz-to-durban-150x97.jpg 150w\" sizes=\"auto, (max-width: 549px) 100vw, 549px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e1kosn\u00edk zp\u011bvn\u00fd je drobn\u00fd pt\u00e1k p\u011bvec, o n\u011bco men\u0161\u00ed ne\u017e vrabec. V \u010cesk\u00e9 republice hn\u00edzd\u00ed mezi 50 &#8211; 100 tis\u00edci p\u00e1r\u016f. Na zimu odl\u00e9t\u00e1 R\u00e1kosn\u00edk &#8230;. <\/p>\n","protected":false},"author":1,"featured_media":3465,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,40,13],"tags":[28],"class_list":["post-1811","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-priklady-pro-6-rocnik","category-priklady-pro-7-rocnik","category-zajimavosti","tag-vypocet-rychlosti"],"_links":{"self":[{"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/posts\/1811","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=1811"}],"version-history":[{"count":0,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/posts\/1811\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/media\/3465"}],"wp:attachment":[{"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1811"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}