{"id":2002,"date":"2019-02-01T10:50:30","date_gmt":"2019-02-01T08:50:30","guid":{"rendered":"http:\/\/www.zsvltava.cz\/fyzika\/?p=2002"},"modified":"2025-04-09T11:54:19","modified_gmt":"2025-04-09T09:54:19","slug":"fyzikalni-jednohubky","status":"publish","type":"post","link":"https:\/\/www.zsvltava.cz\/fyzika\/?p=2002","title":{"rendered":"Fyzik\u00e1ln\u00ed jednohubky"},"content":{"rendered":"

S\u00e9rie fyzik\u00e1ln\u00edch minip\u0159\u00edklad\u016f jejich\u017e zvl\u00e1dnut\u00ed dolo\u017e\u00ed orientaci v z\u00e1kladn\u00edch postupech \u0159e\u0161en\u00ed p\u0159\u00edklad\u016f v rozmez\u00ed fyziky z\u00e1kladn\u00ed \u0161koly.<\/p>\n

    \n
  1. Jakou hustotu m\u00e1 \u010derstv\u00e9 borov\u00e9 d\u0159evo, kdy\u017e 20 dm3<\/sup> v\u00e1\u017e\u00ed 14 kg?<\/li>\n
  2. Vejde se 20 dm3<\/sup> borov\u00e9ho d\u0159eva do p\u0159epravky
    o rozm\u011brech 60 cm × 40 cm × 80 cm?<\/li>\n
  3. Slon je o 15 km\/h rychlej\u0161\u00ed ne\u017e velbloud. O kolik minut bude slon d\u0159\u00edve na m\u00edst\u011b vzd\u00e1len\u00e9m 400 m pokud spole\u010dn\u011b vyraz\u00ed.\n
  4. Sokol se sn\u00e1\u0161\u00ed rychlost\u00ed 260 km\/h k zemi aby ulovil zaj\u00edce. Ten pel\u00e1\u0161\u00ed rychlost\u00ed 40 km\/h. Jak dlouho m\u00e1 zaj\u00edc na to aby se schoval od chv\u00edle, kde ho sokol spat\u0159\u00ed z v\u00fd\u0161ky 320 m?<\/li>\n
  5. B\u011bhem st\u011bhov\u00e1n\u00ed let\u00ed kolib\u0159\u00edk mal\u00fd<\/em> p\u0159es mexick\u00fd z\u00e1liv<\/em>. Jakou rychlost\u00ed putuje, kdy\u017e mus\u00ed zdolat 1000 km vzd\u00e1lenost za 3\/4 dne?<\/li>\n
  6. Odpor vl\u00e1kna \u017e\u00e1rovky v lustru je 90 \u03a9. Jak\u00fd elektrick\u00fd proud prot\u00e9k\u00e1 \u017e\u00e1rovkou?<\/li>\n
  7. Roz\u017ehaven\u00e9 vl\u00e1kno uvnit\u0159 \u017e\u00e1rovky m\u00e1 odpor 15 × v\u011bt\u0161\u00ed ne\u017e p\u0159i pokojov\u00e9 teplot\u011b. Je v\u00fdhodn\u011bj\u0161\u00ed s ohledem na spot\u0159ebu elektrick\u00e9ho proudu zah\u0159\u00e1t\u00e1 nebo studen\u00e1 \u017e\u00e1rovka?<\/li>\n
  8. Jakou vynalo\u017e\u00edme energii kdy\u017e nalo\u017e\u00edme do n\u00e1kupn\u00edho ko\u0161\u00edku 20 litr\u016f ml\u00e9ka?<\/li>\n
  9. Co mus\u00edme ud\u011blat proto, abychom zv\u00fd\u0161ili v p\u0159edchoz\u00edm p\u0159\u00edkladu v\u00fdkon? <\/li>\n
  10. Uveden\u00fd v\u00fdkon 2 \u017e\u00e1rovek je 20 W a 32 W. Kter\u00e1 ze \u017e\u00e1rovek spot\u0159ebuje v\u00edce energie a pro\u010d? <\/li>\n
  11. Pro\u010d \u017e\u00e1rovka s vy\u0161\u0161\u00edm v\u00fdkonem sv\u00edt\u00ed v\u00edce ne\u017e ta s ni\u017e\u0161\u00edm? <\/li>\n
  12. Kolik energie je ukryto v 1 gramu hmoty?<\/li>\n
  13. Jak pomoc\u00ed kuchy\u0148sk\u00e9 v\u00e1hy zv\u00e1\u017eit co nejp\u0159esn\u011bji hmotnost \u0161pendl\u00edkov\u00e9 hlavi\u010dky?<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    S\u00e9rie fyzik\u00e1ln\u00edch minip\u0159\u00edklad\u016f jejich\u017e zvl\u00e1dnut\u00ed dolo\u017e\u00ed orientaci v z\u00e1kladn\u00edch postupech \u0159e\u0161en\u00ed p\u0159\u00edklad\u016f v rozmez\u00ed fyziky z\u00e1kladn\u00ed \u0161koly. Jakou hustotu m\u00e1 \u010derstv\u00e9 borov\u00e9 d\u0159evo, kdy\u017e 20 …. <\/p>\n","protected":false},"author":1,"featured_media":2708,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47,22],"tags":[],"class_list":["post-2002","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-9-rocnik-2","category-priklad"],"_links":{"self":[{"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/posts\/2002","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=2002"}],"version-history":[{"count":0,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/posts\/2002\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=\/wp\/v2\/media\/2708"}],"wp:attachment":[{"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zsvltava.cz\/fyzika\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}