{"common":{"save":0,"post_id":"6427","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6386","mon_id":"1158790","chapter_id":"1158796","post_id":"6427","question":"<p>M\u1ed9t v\u1eadt c&oacute; kh\u1ed1i l\u01b0\u1ee3ng M, \u0111\u01b0\u1ee3c n&eacute;m ngang v\u1edbi v\u1eadn t\u1ed1c ban \u0111\u1ea7u <span class=\"math-tex\">$v_0 $<\/span>&nbsp;\u1edf \u0111\u1ed9 cao h. B\u1ecf qua s\u1ee9c c\u1ea3n c\u1ee7a kh&ocirc;ng kh&iacute;. Th\u1eddi gian r\u01a1i<\/p>","options":["<strong>A.<\/strong> ch\u1ec9 ph\u1ee5 thu\u1ed9c v&agrave;o M.","<strong>B.<\/strong> ch\u1ec9 ph\u1ee5 thu\u1ed9c v&agrave;o h.","<strong>C. <\/strong>ph\u1ee5 thu\u1ed9c v&agrave;o <span class=\"math-tex\">$v_0 $<\/span> v&agrave; h.","<strong>D.<\/strong> ph\u1ee5 thu\u1ed9c v&agrave;o M, <span class=\"math-tex\">$v_0 $<\/span> v&agrave; h."],"correct":"2","level":"1","hint":"<p>Th\u1eddi gian r\u01a1i c\u1ee7a v\u1eadt n&eacute;m ngang:&nbsp;<span class=\"math-tex\">$t= \\sqrt{\\frac{2h}{g}}$<\/span><\/p>","answer":"<p>Th\u1eddi gian r\u01a1i ch\u1ec9 ph\u1ee5 thu\u1ed9c v&agrave;o \u0111\u1ed9 cao h v&agrave; gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng g.<br \/>\u0110&aacute;p &aacute;n \u0111&uacute;ng: <span style=\"color:#16a085;\"><strong>B. ch\u1ec9 ph\u1ee5 thu\u1ed9c v&agrave;o h.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-02-24 23:58:54","option_type":"math","len":0},{"id":"6387","mon_id":"1158790","chapter_id":"1158796","post_id":"6427","question":"<p>Qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt n&eacute;m ngang l&agrave; m\u1ed9t<\/p>","options":["<strong>A.<\/strong> \u0111\u01b0\u1eddng th\u1eb3ng.","<strong>B.<\/strong> \u0111\u01b0\u1eddng tr&ograve;n.","<strong>C.<\/strong> \u0111\u01b0\u1eddng xo&aacute;y \u1ed1c.","<strong>D.<\/strong> nh&aacute;nh parabol."],"correct":"4","level":"1","hint":"<p>V\u1eadt chuy\u1ec3n \u0111\u1ed9ng c&oacute; d\u1ea1ng:<\/p><p><span class=\"svgedit\"><svg height=\"180\" width=\"320\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"182\" 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%\" 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\" y=\"-10.5\"><\/image> <\/g> <\/svg><\/span><\/p>","answer":"<p>Qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt n&eacute;m ngang l&agrave; m\u1ed9t nh&aacute;nh parabol.<br \/>\u0110&aacute;p &aacute;n \u0111&uacute;ng: <span style=\"color:#16a085;\"><strong>D. nh&aacute;nh parabol.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-02-25 00:01:36","option_type":"txt","len":2},{"id":"6388","mon_id":"1158790","chapter_id":"1158874","post_id":"6427","question":"<p>Qu\u1ea3 c\u1ea7u I c&oacute; kh\u1ed1i l\u01b0\u1ee3ng g\u1ea5p \u0111&ocirc;i qu\u1ea3 c\u1ea7u II. C&ugrave;ng m\u1ed9t l&uacute;c t\u1ea1i \u0111\u1ed9 cao h, qu\u1ea3 c\u1ea7u I \u0111\u01b0\u1ee3c th\u1ea3 r\u01a1i c&ograve;n qu\u1ea3 c\u1ea7u II \u0111\u01b0\u1ee3c n&eacute;m theo ph\u01b0\u01a1ng ngang. B\u1ecf qua s\u1ee9c c\u1ea3n kh&ocirc;ng kh&iacute;. Ch\u1ecdn ph&aacute;t bi\u1ec3u \u0111&uacute;ng?<\/p>","options":["<strong>A.<\/strong> Qu\u1ea3 c\u1ea7u I ch\u1ea1m \u0111\u1ea5t tr\u01b0\u1edbc.","<strong>B. <\/strong>Qu\u1ea3 c\u1ea7u II ch\u1ea1m \u0111\u1ea5t tr\u01b0\u1edbc.","<strong>C.<\/strong> C\u1ea3 hai qu\u1ea3 c\u1ea7u I v&agrave; II ch\u1ea1m \u0111\u1ea5t c&ugrave;ng m\u1ed9t l&uacute;c.","<strong>D. <\/strong>Qu\u1ea3 c\u1ea7u II ch\u1ea1m \u0111\u1ea5t tr\u01b0\u1edbc, khi n&oacute; \u0111\u01b0\u1ee3c n&eacute;m v\u1edbi v\u1eadn t\u1ed1c \u0111\u1ee7 l\u1edbn."],"correct":"3","level":"1","hint":"<p>Th\u1eddi gian r\u01a1i c\u1ee7a v\u1eadt n&eacute;m ngang:&nbsp;<span class=\"math-tex\">$t= \\sqrt{\\frac{2h}{g}}$<\/span><br \/>Th\u1eddi gian r\u01a1i ch\u1ec9 ph\u1ee5 thu\u1ed9c v&agrave;o \u0111\u1ed9 cao h v&agrave; gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng g.<\/p>","answer":"<p>T\u1ea1i c&ugrave;ng m\u1ed9t n\u01a1i th&igrave; h v&agrave; g nh\u01b0 nhau n&ecirc;n th\u1eddi gian r\u01a1i c\u1ee7a hai qu\u1ea3 c\u1ea7u b\u1eb1ng nhau. Do \u0111&oacute; ch&uacute;ng r\u01a1i c&ugrave;ng l&uacute;c.<br \/>\u0110&aacute;p &aacute;n \u0111&uacute;ng: <span style=\"color:#16a085;\"><strong>C. C\u1ea3 hai qu\u1ea3 c\u1ea7u I v&agrave; II ch\u1ea1m \u0111\u1ea5t c&ugrave;ng m\u1ed9t l&uacute;c.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-02-25 00:03:57","option_type":"txt","len":3}]}