\u0411\u0438\u0435\u0442\u0438\u0439\u0433 \u044d\u0433\u0446 \u0434\u044d\u044d\u0448 60\u043c\/\u0441 \u0445\u0443\u0440\u0434\u0442\u0430\u0439 \u0448\u0438\u0434\u044d\u0432. \u042f\u043c\u0430\u0440 \u0445\u0443\u0433\u0430\u0446\u0430\u0430\u043d\u044b \u0434\u0430\u0440\u0430\u0430 \u0445\u0443\u0440\u0434 \u043d\u044c 3 \u0434\u0430\u0445\u0438\u043d \u0431\u0430\u0433\u0430 \u0431\u043e\u043b\u043e\u0445 \u0432\u044d? \u042d\u043d\u044d \u04af\u0435\u0434 \u044f\u043c\u0430\u0440 \u04e9\u043d\u0434\u04e9\u0440\u0442 \u0431\u0430\u0439\u0445 \u0432\u044d?<\/p>\n
—————————————-<\/p>\n
\u0411\u043e\u0434\u043e\u043b\u0442:<\/p>\n
$\\upsilon_0 = 60\u043c\/\u0441$<\/p>\n
$k = \\upsilon_0 \/ \\upsilon = 3$<\/p>\n
—————————————–<\/p>\n
$t=?$<\/p>\n
—————————————–<\/p>\n
\u0428\u0438\u0434\u044d\u0433\u0434\u0441\u044d\u043d \u0431\u0438\u0435\u0442 \u043d\u044c $g=9.81\u043c\/\u0441$ \u0445\u0443\u0440\u0434\u0430\u0442\u0433\u0430\u043b\u0442\u0430\u0439 \u0445\u04e9\u0434\u04e9\u043b\u043d\u04e9. $t$ \u0445\u0443\u0433\u0430\u0446\u0430\u0430\u043d\u044b \u0434\u0430\u0440\u0430\u0430 \u044d\u0433\u0446 \u0434\u044d\u044d\u0448 \u0448\u0438\u0434\u044d\u0433\u0434\u0441\u044d\u043d \u0431\u0438\u0435\u0442\u0438\u0439\u043d \u0445\u0443\u0440\u0434 \u043d\u044c $\\upsilon$ \u0431\u043e\u043b\u043d\u043e.<\/p>\n
$$\\upsilon = \\upsilon_0 – gt$$<\/p>\n
\u0411\u043e\u0434\u043b\u043e\u0433\u044b\u043d \u043d\u04e9\u0445\u0446\u04e9\u043b \u0451\u0441\u043e\u043e\u0440:<\/p>\n
$$k = \\upsilon_0 \/ \\upsilon = \\frac{\\upsilon_0 }{\\upsilon_0 – gt}$$.<\/p>\n
\u042d\u043d\u0434\u044d\u044d\u0441 \u0445\u0443\u0433\u0430\u0446\u0430\u0430\u0433 \u043e\u043b\u044a\u0451:<\/p>\n
$$\\upsilon_0 – gt = \\frac{\\upsilon_0}{k}$$<\/p>\n
$$gt = \\upsilon_0 – \\frac{\\upsilon_0}{k}$$<\/p>\n
$$t = \\frac{1}{g} (\\upsilon_0 – \\frac{\\upsilon_0}{k})$$<\/p>\n
$$t = \\frac{\\upsilon_0}{g}\\bigg(1 – \\frac{1}{k}\\bigg)$$<\/p>\n
\u0422\u043e\u043e\u043d \u0443\u0442\u0433\u0443\u0443\u0434\u044b\u0433 \u043e\u0440\u043b\u0443\u0443\u043b\u0431\u0430\u043b:<\/p>\n
$$t = \\frac{60\u043c\/\u0441}{9.81\u043c\/\u0441^2} (1 – \\frac{1}{3}) \\approx 4.08\u0441$$<\/p>\n
\u041e\u0434\u043e\u043e \u044d\u043d\u044d \u0430\u0433\u0448\u0438\u043d\u0434 \u044f\u043c\u0430\u0440 \u04e9\u043d\u0434\u04e9\u0440\u0442 \u0431\u0430\u0439\u0445\u044b\u0433 \u0442\u043e\u0434\u043e\u0440\u0445\u043e\u0439\u043b\u044a\u0451:<\/p>\n
\u042d\u0433\u0446 \u0434\u044d\u044d\u0448\u044d\u044d \u0448\u0438\u0434\u044d\u0433\u0434\u0441\u044d\u043d \u0431\u0438\u0435\u0442 $t$ \u0445\u0443\u0433\u0430\u0446\u0430\u0430\u043d\u044b \u0434\u0430\u0440\u0430\u0430<\/p>\n
$$h = \\upsilon_0 t – \\frac{gt^2}{2}$$<\/p>\n
\u04e9\u043d\u0434\u04e9\u0440\u0442 \u0433\u0430\u0440\u0441\u0430\u043d \u0431\u0430\u0439\u043d\u0430. $t$-\u0433 \u04e9\u043c\u043d\u04e9\u0445 \u0442\u044d\u0433\u0448\u0438\u0442\u0433\u044d\u043b\u044d\u044d\u0441 \u043e\u0440\u043b\u0443\u0443\u043b\u0436 \u0442\u0430\u0432\u0438\u0431\u0430\u043b:<\/p>\n
$h \\approx 163.099\u043c$ \u0431\u043e\u043b\u0436 \u0431\u0430\u0439\u043d\u0430.<\/p>\n
<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0411\u0438\u0435\u0442\u0438\u0439\u0433 \u044d\u0433\u0446 \u0434\u044d\u044d\u0448 60\u043c\/\u0441 \u0445\u0443\u0440\u0434\u0442\u0430\u0439 \u0448\u0438\u0434\u044d\u0432. \u042f\u043c\u0430\u0440 \u0445\u0443\u0433\u0430\u0446\u0430\u0430\u043d\u044b \u0434\u0430\u0440\u0430\u0430 \u0445\u0443\u0440\u0434 \u043d\u044c 3 \u0434\u0430\u0445\u0438\u043d \u0431\u0430\u0433\u0430 \u0431\u043e\u043b\u043e\u0445 \u0432\u044d? \u042d\u043d\u044d \u04af\u0435\u0434 \u044f\u043c\u0430\u0440 \u04e9\u043d\u0434\u04e9\u0440\u0442 \u0431\u0430\u0439\u0445 \u0432\u044d? —————————————- \u0411\u043e\u0434\u043e\u043b\u0442: $\\upsilon_0 = 60\u043c\/\u0441$ $k = \\upsilon_0 \/ \\upsilon = 3$ —————————————– $t=?$ —————————————– \u0428\u0438\u0434\u044d\u0433\u0434\u0441\u044d\u043d \u0431\u0438\u0435\u0442 \u043d\u044c $g=9.81\u043c\/\u0441$ \u0445\u0443\u0440\u0434\u0430\u0442\u0433\u0430\u043b\u0442\u0430\u0439 \u0445\u04e9\u0434\u04e9\u043b\u043d\u04e9. $t$ \u0445\u0443\u0433\u0430\u0446\u0430\u0430\u043d\u044b \u0434\u0430\u0440\u0430\u0430 \u044d\u0433\u0446 \u0434\u044d\u044d\u0448 \u0448\u0438\u0434\u044d\u0433\u0434\u0441\u044d\u043d \u0431\u0438\u0435\u0442\u0438\u0439\u043d \u0445\u0443\u0440\u0434 \u043d\u044c $\\upsilon$ \u0431\u043e\u043b\u043d\u043e. $$\\upsilon… Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-2107","post","type-post","status-publish","format-standard","hentry","category-kinematicsproblem"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/soniuch.net\/index.php?rest_route=\/wp\/v2\/posts\/2107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/soniuch.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/soniuch.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/soniuch.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/soniuch.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2107"}],"version-history":[{"count":0,"href":"https:\/\/soniuch.net\/index.php?rest_route=\/wp\/v2\/posts\/2107\/revisions"}],"wp:attachment":[{"href":"https:\/\/soniuch.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/soniuch.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/soniuch.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}