{"id":15333,"date":"2025-07-17T14:04:39","date_gmt":"2025-07-17T14:04:39","guid":{"rendered":"https:\/\/www.fizika-online.ru\/?page_id=15333"},"modified":"2025-07-17T14:06:09","modified_gmt":"2025-07-17T14:06:09","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%d0%b8-4","status":"publish","type":"page","link":"https:\/\/www.fizika-online.ru\/?page_id=15333","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\u041812"},"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>. \u0424\u0443\u0442\u0431\u043e\u043b\u044c\u043d\u043e\u043c\u0443 \u043c\u044f\u0447\u0443 \u043c\u0430\u0441\u0441\u043e\u0439 400 \u0433 \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043f\u0435\u043d\u0430\u043b\u044c\u0442\u0438 \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c 25 \u043c\/\u0441. \u0415\u0441\u043b\u0438 \u043c\u044f\u0447 \u043f\u043e\u043f\u0430\u0434\u0430\u0435\u0442 \u0432 \u0433\u0440\u0443\u0434\u044c \u0432\u0440\u0430\u0442\u0430\u0440\u044f \u0438 \u043e\u0442\u0441\u043a\u0430\u043a\u0438\u0432\u0430\u0435\u0442 \u043d\u0430\u0437\u0430\u0434 \u0441 \u0442\u043e\u0439 \u0436\u0435 \u043f\u043e \u043c\u043e\u0434\u0443\u043b\u044e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c\u044e, \u0442\u043e \u0443\u0434\u0430\u0440 \u0434\u043b\u0438\u0442\u0441\u044f 0,025 \u0441. \u0415\u0441\u043b\u0438 \u0432\u0440\u0430\u0442\u0430\u0440\u044c \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0443\u0434\u0430\u0440 \u043d\u0430 \u0440\u0443\u043a\u0438, \u0442\u043e \u0447\u0435\u0440\u0435\u0437 0,04 \u0441 \u043e\u043d \u0433\u0430\u0441\u0438\u0442 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u043c\u044f\u0447\u0430 \u0434\u043e \u043d\u0443\u043b\u044f. \u041d\u0430\u0439\u0442\u0438 \u0441\u0440\u0435\u0434\u043d\u044e\u044e \u0441\u0438\u043b\u0443 \u0443\u0434\u0430\u0440\u0430 \u0432 \u043a\u0430\u0436\u0434\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435.<\/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.\u00a0<\/strong><\/em>\u041f\u043e\u043a\u0430\u0436\u0435\u043c \u043d\u0430 \u0440\u0438\u0441\u0443\u043d\u043a\u0435 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u043c\u044f\u0447\u0430 \u0432 \u043c\u043e\u043c\u0435\u043d\u0442 \u043f\u0435\u0440\u0435\u0434 \u0443\u0434\u0430\u0440\u043e\u043c \u0438 \u043f\u043e\u0441\u043b\u0435 \u043d\u0435\u0433\u043e \u0432 \u043a\u0430\u0436\u0434\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0438 \u0441\u0440\u0430\u0437\u0443 \u0436\u0435 \u043d\u0430\u0439\u0434\u0435\u043c \u043c\u043e\u0434\u0443\u043b\u044c \u0438\u0441\u043a\u043e\u043c\u043e\u0439 \u0441\u0438\u043b\u044b \u0447\u0435\u0440\u0435\u0437 \u0437\u0430\u043a\u043e\u043d \u041d\u044c\u044e\u0442\u043e\u043d\u0430 \u0432 \u0438\u043c\u043f\u0443\u043b\u044c\u0441\u043d\u043e\u0439 \u0444\u043e\u0440\u043c\u0435. <\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15335\" src=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/07\/2-47.jpg\" alt=\"\" width=\"602\" height=\"101\" srcset=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/07\/2-47.jpg 602w, https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/07\/2-47-300x50.jpg 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$F_x=\\frac{\\Delta p_x}{\\Delta t_1}=\\frac{p_{2x}-p_{1x}}{\\Delta t_1}=\\frac{mv_{2x}-mv_{1x}}{\\Delta t_1}=\\frac{-mv_2-mv_1}{\\Delta t_1}=-\\frac{m(v_2+v_1)}{\\Delta t_1}$.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">\u0417\u043d\u0430\u043a \u043c\u0438\u043d\u0443\u0441 \u0432 \u043f\u0440\u043e\u0435\u043a\u0446\u0438\u0438 \u0441\u0438\u043b\u044b \u043f\u043e\u044f\u0432\u0438\u043b\u0441\u044f, \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e, \u0438\u0437-\u0437\u0430 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u0441\u0438\u043b\u0430 \u0442\u043e\u0440\u043c\u043e\u0437\u044f\u0449\u0430\u044f \u043c\u044f\u0447 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u0440\u043e\u0442\u0438\u0432 \u043e\u0441\u0438 $x$. \u041c\u043e\u0434\u0443\u043b\u044c \u044d\u0442\u043e\u0439 \u0441\u0438\u043b\u044b<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$F=\\frac{m(v_2+v_1)}{\\Delta t_1}$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$F=\\frac{0,4 \\cdot (25+25)}{0,025}=800$ \u041d.<\/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><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">\u0422\u0435\u043f\u0435\u0440\u044c \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c \u0432\u0442\u043e\u0440\u043e\u0439 \u0441\u043b\u0443\u0447\u0430\u0439<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15336\" src=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/07\/2-48.jpg\" alt=\"\" width=\"529\" height=\"92\" srcset=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/07\/2-48.jpg 529w, https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/07\/2-48-300x52.jpg 300w\" sizes=\"(max-width: 529px) 100vw, 529px\" \/><\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">\u041a\u043e\u043d\u0435\u0447\u043d\u044b\u0439 \u0438\u043c\u043f\u0443\u043b\u044c\u0441 \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0432\u0435\u043d \u043d\u0443\u043b\u044e, \u0442.\u043a. \u043c\u044f\u0447 \u043e\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442\u0441\u044f, \u043f\u043e\u044d\u0442\u043e\u043c\u0443<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$F&#8217;_x=\\frac{\\Delta p&#8217;_x}{\\Delta t_2}=\\frac{p&#8217;_{2x}-p_{1x}}{\\Delta t_2}=\\frac{-mv_{1x}}{\\Delta t_2}=-\\frac{mv_1}{\\Delta t_2}$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$F&#8217;=\\frac{mv_1}{\\Delta t_2}$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$F&#8217;=\\frac{0,4 \\cdot 25}{0,04}=250$ \u041d.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u041e\u0442\u0432\u0435\u0442:<\/strong><\/em> 800 \u041d \u0438 250 \u041d.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0417\u0430\u0434\u0430\u0447\u0430. \u0424\u0443\u0442\u0431\u043e\u043b\u044c\u043d\u043e\u043c\u0443 \u043c\u044f\u0447\u0443 \u043c\u0430\u0441\u0441\u043e\u0439 400 \u0433 \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043f\u0435\u043d\u0430\u043b\u044c\u0442\u0438 \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c 25 \u043c\/\u0441. \u0415\u0441\u043b\u0438 \u043c\u044f\u0447 \u043f\u043e\u043f\u0430\u0434\u0430\u0435\u0442 \u0432 \u0433\u0440\u0443\u0434\u044c \u0432\u0440\u0430\u0442\u0430\u0440\u044f \u0438 \u043e\u0442\u0441\u043a\u0430\u043a\u0438\u0432\u0430\u0435\u0442 \u043d\u0430\u0437\u0430\u0434 \u0441 \u0442\u043e\u0439 \u0436\u0435 \u043f\u043e \u043c\u043e\u0434\u0443\u043b\u044e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c\u044e, \u0442\u043e \u0443\u0434\u0430\u0440 \u0434\u043b\u0438\u0442\u0441\u044f 0,025 \u0441. \u0415\u0441\u043b\u0438 \u0432\u0440\u0430\u0442\u0430\u0440\u044c \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0443\u0434\u0430\u0440 \u043d\u0430 \u0440\u0443\u043a\u0438, \u0442\u043e \u0447\u0435\u0440\u0435\u0437 0,04 \u0441 \u043e\u043d \u0433\u0430\u0441\u0438\u0442 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u043c\u044f\u0447\u0430 \u0434\u043e \u043d\u0443\u043b\u044f. \u041d\u0430\u0439\u0442\u0438 \u0441\u0440\u0435\u0434\u043d\u044e\u044e \u0441\u0438\u043b\u0443 \u0443\u0434\u0430\u0440\u0430 \u0432 \u043a\u0430\u0436\u0434\u043e\u043c\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.fizika-online.ru\/?page_id=15333\">\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435 &raquo;<\/a><\/span><\/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\/15333"}],"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=15333"}],"version-history":[{"count":3,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/15333\/revisions"}],"predecessor-version":[{"id":15339,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/15333\/revisions\/15339"}],"wp:attachment":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}