{"common":{"save":0,"post_id":"6316","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5776","mon_id":"1158790","chapter_id":"1158795","post_id":"6316","question":"<p>D\u1ef1a v&agrave;o \u0111\u1ed3 th\u1ecb d\u01b0\u1edbi \u0111&acirc;y, h&atilde;y t&iacute;nh qu&atilde;ng \u0111\u01b0\u1eddng \u0111i \u0111\u01b0\u1ee3c v&agrave; t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt trong th\u1eddi gian 10 gi&acirc;y.<\/p><p><span class=\"svgedit\"><svg height=\"318\" width=\"354\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"320\" id=\"canvas_background\" width=\"356\" 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=\"318\" id=\"svg_1\" 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y=\"0\"><\/image> <\/g> <\/svg><\/span><\/p>","options":["A. 5 m &ndash; 2 m\/s","B. 12 m &ndash; 9 m\/s","C. 30 m &ndash; 3 m\/s","D. 1 m &ndash; 10 m\/s"],"correct":"3","level":"3","hint":"<p>Qu&atilde;ng \u0111\u01b0\u1eddng \u0111i \u0111\u01b0\u1ee3c c\u1ee7a v\u1eadt l&agrave;: &nbsp;<span class=\"math-tex\">$s=\\triangle d$<\/span><br \/>T\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt l&agrave;: &nbsp;<span class=\"math-tex\">$v=\\frac{s}{t}$<\/span><\/p>","answer":"<p><span style=\"color:#27ae60;\"><strong>Ch\u1ecdn C.<br \/>Qu&atilde;ng \u0111\u01b0\u1eddng \u0111i \u0111\u01b0\u1ee3c c\u1ee7a v\u1eadt l&agrave;: &nbsp;<span class=\"math-tex\">$s=\\triangle d=|10-40|=30(m)$<\/span><br \/>T\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt l&agrave;: &nbsp;<span class=\"math-tex\">$v=\\frac{s}{t}=\\frac{30}{10}=3(m\/s)$<\/span><\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-10-13 14:03:08","option_type":"txt","len":2},{"id":"5777","mon_id":"1158790","chapter_id":"1158795","post_id":"6316","question":"<p>\u0110\u1ed3 th\u1ecb d\u01b0\u1edbi \u0111&acirc;y m&ocirc; t\u1ea3 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a 2 xe, h&atilde;y x&aacute;c \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m 2 xe g\u1eb7p nhau. Bi\u1ebft c\u1ea3 2 xe c&ugrave;ng xu\u1ea5t ph&aacute;t l&uacute;c 7 gi\u1edd s&aacute;ng.<br \/>&nbsp;<span class=\"svgedit\"><svg height=\"299\" width=\"350\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"301\" id=\"canvas_background\" width=\"352\" 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=\"299\" id=\"svg_1\" width=\"350\" x=\"0\" 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\" y=\"1\"><\/image> <\/g> <\/svg><\/span><\/p>","options":["A. 8 gi\u1edd 30 ph&uacute;t","B. 9 gi\u1edd","C. 9 gi\u1edd 15 ph&uacute;t","D. 11 gi\u1edd"],"correct":"2","level":"3","hint":"<p>D\u1ef1a v&agrave;o v\u1ecb tr&iacute; 2 \u0111\u1ed3 th\u1ecb c\u1eaft nhau \u0111\u1ec3 x&aacute;c \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m 2 xe g\u1eb7p nhau.<\/p>","answer":"<p><span style=\"color:#27ae60;\"><strong>Ch\u1ecdn B.<br \/>Hai \u0111\u1ed3 th\u1ecb c\u1eaft nhau t\u1ea1i th\u1eddi \u0111i\u1ec3m t = 2h, n&ecirc;n sau 2 gi\u1edd k\u1ec3 t\u1eeb khi xu\u1ea5t ph&aacute;t (t\u1ee9c 9 gi\u1edd s&aacute;ng) th&igrave; 2 xe g\u1eb7p nhau.<\/strong><\/span><br \/>&nbsp;<\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-10-13 14:04:38","option_type":"txt","len":2},{"id":"5778","mon_id":"1158790","chapter_id":"1158795","post_id":"6316","question":"<p>M\u1ed9t &ocirc; t&ocirc; xu\u1ea5t ph&aacute;t t\u1ea1i A l&uacute;c 9h s&aacute;ng, \u0111i \u0111\u1ebfn B l&uacute;c 9h15 s&aacute;ng. Coi chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a &ocirc; t&ocirc; l&agrave; chuy\u1ec3n \u0111\u1ed9ng th\u1eb3ng \u0111\u1ec1u, \u0111\u1ed3 th\u1ecb s &ndash; t m&ocirc; t\u1ea3 qu&atilde;ng \u0111\u01b0\u1eddng chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a &ocirc; t&ocirc; nh\u01b0 h&igrave;nh d\u01b0\u1edbi. H&atilde;y t&iacute;nh \u0111\u1ed9 d&agrave;i qu&atilde;ng \u0111\u01b0\u1eddng AB.<br \/>&nbsp;<span class=\"svgedit\"><svg height=\"291\" width=\"352\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"293\" id=\"canvas_background\" width=\"354\" 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=\"291\" id=\"svg_1\" width=\"352\" x=\"0\" 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\" y=\"0\"><\/image> <\/g> <\/svg><\/span><\/p>","options":["A. 60 km","B. 25 km","C. 12,5 km","D. 35,5 km"],"correct":"3","level":"3","hint":"<p>C&oacute; th\u1eddi gian &ocirc; t&ocirc; \u0111i t\u1eeb A \u0111\u1ebfn B, d\u1ef1a v&agrave;o \u0111\u1ed3 th\u1ecb, t&igrave;m t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a &ocirc; t&ocirc;, t\u1eeb \u0111&oacute; suy ra qu&atilde;ng \u0111\u01b0\u1eddng AB.<\/p>","answer":"<p><span style=\"color:#27ae60;\"><strong>Ch\u1ecdn C.<br \/>D\u1ef1a v&agrave;o \u0111\u1ed3 th\u1ecb, ta c&oacute;: &nbsp;<span class=\"math-tex\">$v=\\frac{s}{t}=\\frac{100}{2}=50(km\/h)$<\/span><br \/>&Ocirc; t&ocirc; \u0111i t\u1eeb A \u0111\u1ebfn B m\u1ea5t th\u1eddi gian t&rsquo; = 15 ph&uacute;t = 0,25 gi\u1edd<\/strong><\/span><\/p><p><strong><span style=\"color:#27ae60;\"><span class=\"math-tex\">$\\Rightarrow AB =v.t&rsquo;=50.0,25=12,5(km)$<\/span><\/span><\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-10-13 14:07:33","option_type":"txt","len":0}]}