{"id":16829,"date":"2026-04-03T02:34:59","date_gmt":"2026-04-03T02:34:59","guid":{"rendered":"https:\/\/www.fizika-online.ru\/?page_id=16829"},"modified":"2026-04-03T02:34:59","modified_gmt":"2026-04-03T02:34:59","slug":"%d0%b7%d0%b0%d0%b4%d0%b0%d1%87%d0%b8-%d0%bd%d0%b0-%d0%b8%d0%bc%d0%bf%d1%83%d0%bb%d1%8c%d1%81-%d0%b8-%d1%8d%d0%bd%d0%b5%d1%80%d0%b3%d0%b8%d1%8e-%d0%b7%d0%b0%d0%b4%d0%b0%d1%87%d0%b0-%d1%8d%d0%b8-121","status":"publish","type":"page","link":"https:\/\/www.fizika-online.ru\/?page_id=16829","title":{"rendered":"\u0417\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 \u0438\u043c\u043f\u0443\u043b\u044c\u0441 \u0438 \u044d\u043d\u0435\u0440\u0433\u0438\u044e. \u0417\u0430\u0434\u0430\u0447\u0430 \u042d\u0438\u0418130"},"content":{"rendered":"<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u0417\u0430\u0434\u0430\u0447\u0430<\/strong><\/em>. \u041a\u0430\u043a\u043e\u0432\u0430 \u043c\u0430\u0441\u0441\u0430 \u043a\u0430\u043c\u043d\u044f, \u0435\u0441\u043b\u0438 \u043f\u0440\u0438 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 10 \u043c\/\u0441 \u043e\u043d \u043e\u0431\u043b\u0430\u0434\u0430\u0435\u0442 \u043a\u0438\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u044d\u043d\u0435\u0440\u0433\u0438\u0435\u0439 \u0432 20 \u0414\u0436?<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435. <\/strong><\/em>\u041a\u0438\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u044d\u043d\u0435\u0440\u0433\u0438\u044f \u0442\u0435\u043b\u0430 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432\u043e \u0444\u043e\u0440\u043c\u0443\u043b\u0435<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$E_k=\\frac{mv^2}{2}$.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><!-- Yandex.RTB R-A-1598022-3 --><\/span><\/p>\n<div id=\"yandex_rtb_R-A-1598022-3\"><\/div>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><script>window.yaContextCb.push(()=>{\n\tYa.Context.AdvManager.render({\n\t\t\"blockId\": \"R-A-1598022-3\",\n\t\t\"renderTo\": \"yandex_rtb_R-A-1598022-3\"\n\t})\n})\n<\/script><\/span><br \/>\n<span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">\u0412\u044b\u0440\u0430\u0437\u0438\u043c \u0438\u0437 \u044d\u0442\u043e\u0439 \u0444\u043e\u0440\u043c\u0443\u043b\u044b \u043c\u0430\u0441\u0441\u0443 \u0438 \u043d\u0430\u0439\u0434\u0435\u043c \u0435\u0435<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$2E_k=mv^2$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$m=\\frac{2E_k}{v^2}$.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\" style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$m=\\frac{2 \\cdot 20}{10^2}=0,4\\ \\text{\u043a\u0433}$.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\" style=\"text-align: left;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u041e\u0442\u0432\u0435\u0442:<\/strong><\/em> 0,4 \u043a\u0433.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0417\u0430\u0434\u0430\u0447\u0430. \u041a\u0430\u043a\u043e\u0432\u0430 \u043c\u0430\u0441\u0441\u0430 \u043a\u0430\u043c\u043d\u044f, \u0435\u0441\u043b\u0438 \u043f\u0440\u0438 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 10 \u043c\/\u0441 \u043e\u043d \u043e\u0431\u043b\u0430\u0434\u0430\u0435\u0442 \u043a\u0438\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u044d\u043d\u0435\u0440\u0433\u0438\u0435\u0439 \u0432 20 \u0414\u0436? \u0420\u0435\u0448\u0435\u043d\u0438\u0435. \u041a\u0438\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u044d\u043d\u0435\u0440\u0433\u0438\u044f \u0442\u0435\u043b\u0430 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432\u043e \u0444\u043e\u0440\u043c\u0443\u043b\u0435 $E_k=\\frac{mv^2}{2}$. \u0412\u044b\u0440\u0430\u0437\u0438\u043c \u0438\u0437 \u044d\u0442\u043e\u0439 \u0444\u043e\u0440\u043c\u0443\u043b\u044b \u043c\u0430\u0441\u0441\u0443 \u0438 \u043d\u0430\u0439\u0434\u0435\u043c \u0435\u0435 $2E_k=mv^2$, $m=\\frac{2E_k}{v^2}$. $m=\\frac{2 \\cdot 20}{10^2}=0,4\\ \\text{\u043a\u0433}$. \u041e\u0442\u0432\u0435\u0442: 0,4 \u043a\u0433.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/16829"}],"collection":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16829"}],"version-history":[{"count":1,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/16829\/revisions"}],"predecessor-version":[{"id":16830,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/16829\/revisions\/16830"}],"wp:attachment":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}