{"common":{"save":0,"post_id":"6429","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6406","mon_id":"1158790","chapter_id":"1158796","post_id":"6429","question":"<p>M\u1ed9t v\u1eadt \u0111\u01b0\u1ee3c n&eacute;m t\u1eeb \u0111\u1ed9 cao 10 m so v\u1edbi m\u1eb7t \u0111\u1ea5t v\u1edbi g&oacute;c n&eacute;m <span class=\"math-tex\">$\\alpha =60^0$<\/span>&nbsp;so v\u1edbi m\u1eb7t ph\u1eb3ng n\u1eb1m ngang. V\u1eadt r\u01a1i \u0111\u1ebfn \u0111\u1ea5t c&aacute;ch ch\u1ed7 n&eacute;m theo ph\u01b0\u01a1ng ngang m\u1ed9t kho\u1ea3ng 100 m. L\u1ea5y g = 10m\/<span class=\"math-tex\">$s^2$<\/span>. V\u1eadn t\u1ed1c c\u1ee7a v\u1eadt khi n&eacute;m l&agrave;:<\/p>","options":["<strong>A.<\/strong> 18 m\/s.","<strong>B.<\/strong> 27 m\/s.","<strong>C. <\/strong>50 m\/s.","<strong>D. <\/strong>33 m\/s."],"correct":"4","level":"3","hint":"","answer":"<p>L\u1eddi gi\u1ea3i<br \/>Ch\u1ecdn g\u1ed1c O t\u1ea1i \u0111i\u1ec3m n&eacute;m v\u1eadt, g\u1ed1c th\u1eddi gian l&agrave; l&uacute;c n&eacute;m v\u1eadt.<br \/>Ch\u1ecdn tr\u1ee5c Ox h\u01b0\u1edbng theo <span class=\"math-tex\">$\\overrightarrow{v}$<\/span>&nbsp;, tr\u1ee5c Oy h\u01b0\u1edbng th\u1eb3ng \u0111\u1ee9ng xu\u1ed1ng d\u01b0\u1edbi.<br \/>C&aacute;c ph\u01b0\u01a1ng tr&igrave;nh chuy\u1ec3n \u0111\u1ed9ng:<br \/>&nbsp;<span class=\"svgedit\"><svg height=\"111\" width=\"320\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"113\" id=\"canvas_background\" width=\"322\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"110.34857\" id=\"svg_1\" stroke=\"null\" width=\"313.99999\" x=\"8\" 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\" y=\"2.5\"><\/image> <\/g> <\/svg><\/span><br \/>T\u1eeb (1) <span class=\"math-tex\">$\\implies t= \\frac{\\mathrm x}{\\mathrm v_0.cos\\alpha}$<\/span>&nbsp;th\u1ebf v&agrave;o (2) ta \u0111\u01b0\u1ee3c:<br \/>&nbsp;<span class=\"math-tex\">$y= H+ x.tan\\alpha- \\frac{\\mathrm 1}{\\mathrm 2}g.\\frac{\\mathrm x^2}{\\mathrm (v_0.cos\\alpha)^2}(3)$<\/span><br \/>Khi v\u1eadt r\u01a1i ch\u1ea1m \u0111\u1ea5t: y=0<br \/>Theo \u0111\u1ec1 b&agrave;i c&oacute;&nbsp; x= 100(m)<br \/>Thay v&agrave;o (3) ta \u0111\u01b0\u1ee3c:<br \/>&nbsp;<span class=\"svgedit\"><svg height=\"95\" width=\"320\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"97\" id=\"canvas_background\" width=\"322\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"94.36286\" id=\"svg_1\" stroke=\"null\" width=\"327\" x=\"3\" 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\" y=\"-3.5\"><\/image> <\/g> <\/svg><\/span><br \/>\u0110&aacute;p &aacute;n \u0111&uacute;ng: <span style=\"color:#16a085;\"><strong>D. 33m\/s.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-02-27 16:16:57","option_type":"txt","len":0},{"id":"6407","mon_id":"1158790","chapter_id":"1158796","post_id":"6429","question":"<p>M\u1ed9t h&ograve;n \u0111&aacute; \u0111\u01b0\u1ee3c n&eacute;m v\u1edbi v\u1eadn t\u1ed1c 12 m\/s t\u1eeb m\u1eb7t \u0111\u1ea5t v\u1edbi g&oacute;c n&eacute;m <span class=\"math-tex\">$\\alpha= 30^0$<\/span>&nbsp; so v\u1edbi m\u1eb7t ph\u1eb3ng n\u1eb1m ngang. L\u1ea5y g = 10 m\/<span class=\"math-tex\">$s^2$<\/span>. H&ograve;n \u0111&aacute; r\u01a1i \u0111\u1ebfn \u0111\u1ea5t c&aacute;ch ch\u1ed7 n&eacute;m theo ph\u01b0\u01a1ng ngang m\u1ed9t kho\u1ea3ng 200 m. Th\u1eddi gian h&ograve;n \u0111&aacute; r\u01a1i l&agrave;<\/p>","options":["<strong>A.<\/strong> 24,5 s.","<strong>B.<\/strong> 19,2 s.","<strong>C.<\/strong> 14,6 s.","<strong>D. <\/strong>32,8 s."],"correct":"2","level":"3","hint":"","answer":"<p>L\u1eddi gi\u1ea3i<br \/>Ch\u1ecdn g\u1ed1c O t\u1ea1i m\u1eb7t \u0111\u1ea5t, g\u1ed1c th\u1eddi gian l&agrave; l&uacute;c n&eacute;m h&ograve;n \u0111&aacute;.<br \/>Tr\u1ee5c Ox n\u1eb1m ngang, tr\u1ee5c Oy th\u1eb3ng \u0111\u1ee9ng h\u01b0\u1edbng l&ecirc;n.<br \/>Ta c&oacute;:<\/p><p>&nbsp;<span class=\"svgedit\"><svg height=\"46\" width=\"312\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"48\" id=\"canvas_background\" width=\"314\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"46.18571\" id=\"svg_1\" stroke=\"null\" width=\"304.99999\" x=\"6\" xlink:href=\"data:image\/png;base64,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\" y=\"1.5\"><\/image> <\/g> <\/svg><\/span><br \/>\u0110&aacute;p &aacute;n \u0111&uacute;ng: <span style=\"color:#16a085;\"><strong>B. 19,2 s.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-02-27 16:21:03","option_type":"txt","len":0},{"id":"6408","mon_id":"1158790","chapter_id":"1158796","post_id":"6429","question":"<p>M\u1ed9t v\u1eadt \u0111\u01b0\u1ee3c n&eacute;m l&ecirc;n t\u1eeb m\u1eb7t \u0111\u1ea5t theo ph\u01b0\u01a1ng xi&ecirc;n g&oacute;c h\u1ee3p v\u1edbi ph\u01b0\u01a1ng ngang m\u1ed9t g&oacute;c &alpha; = <span class=\"math-tex\">$45^0$<\/span>, v\u1edbi v\u1eadn t\u1ed1c ban \u0111\u1ea7u l&agrave; 5 m\/s. B\u1ecf qua m\u1ecdi l\u1ef1c c\u1ea3n. L\u1ea5y g = 10 m\/<span class=\"math-tex\">$s^2$<\/span>. \u0110\u1ed9 cao c\u1ef1c \u0111\u1ea1i c\u1ee7a v\u1eadt l&agrave;<\/p>","options":["<strong>A.<\/strong> 0,25 m.","<strong>B.<\/strong> 0,5 m.","<strong>C.<\/strong> 0,625 m.","<strong>D.<\/strong> 1,25 m."],"correct":"3","level":"3","hint":"","answer":"<p>L\u1eddi gi\u1ea3i<br \/>\u0110\u1ed9 cao c\u1ef1c \u0111\u1ea1i c\u1ee7a v\u1eadt:<\/p><p><span class=\"svgedit\"><svg height=\"55\" width=\"320\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"57\" id=\"canvas_background\" width=\"322\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"54.73714\" id=\"svg_1\" stroke=\"null\" width=\"309\" x=\"5\" 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\" y=\"1\"><\/image> <\/g> <\/svg><\/span><br \/>\u0110&aacute;p &aacute;n \u0111&uacute;ng: <span style=\"color:#16a085;\"><strong>C. 0,625 m.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-02-27 16:23:58","option_type":"txt","len":1}]}