{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Khi chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t c\u1ee7a c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt nhanh l\u00ean th\u00ec \u0111\u1ea1i l\u01b0\u1ee3ng n\u00e0o sau \u0111\u00e2y c\u1ee7a v\u1eadt kh\u00f4ng t\u0103ng?","select":["A. Nhi\u1ec7t \u0111\u1ed9.","B. Nhi\u1ec7t n\u0103ng.","C. Kh\u1ed1i l\u01b0\u1ee3ng.","D. Th\u1ec3 t\u00edch."],"hint":"","explain":"<span class='basic_left'>Khi chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t c\u1ee7a c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt nhanh l\u00ean th\u00ec kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u00fang kh\u00f4ng thay \u0111\u1ed5i<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2860},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Nh\u1ecf m\u1ed9t gi\u1ecdt n\u01b0\u1edbc \u0111ang s\u00f4i v\u00e0o m\u1ed9t c\u1ed1c \u0111\u1ef1ng n\u01b0\u1edbc \u1ea5m th\u00ec nhi\u1ec7t n\u0103ng c\u1ee7a gi\u1ecdt n\u01b0\u1edbc v\u00e0 c\u1ee7a n\u01b0\u1edbc trong c\u1ed1c thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o?","select":["A. Nhi\u1ec7t n\u0103ng cua gi\u1ecdt n\u01b0\u1edbc t\u0103ng, c\u1ee7a n\u01b0\u1edbc trong c\u1ed1c gi\u1ea3m.","B. Nhi\u1ec7t n\u0103ng c\u1ee7a gi\u1ecdt n\u01b0\u1edbc gi\u1ea3m, c\u1ee7a n\u01b0\u1edbc trong c\u1ed1c t\u0103ng.","C. Nhi\u1ec7t n\u0103ng c\u1ee7a gi\u1ecdt n\u01b0\u1edbc v\u00e0 c\u1ee7a n\u01b0\u1edbc tr\u1ecdng c\u1ed1c \u0111\u1ec1u gi\u1ea3m.","D. Nhi\u1ec7t n\u0103ng c\u1ee7a gi\u1ecdt n\u01b0\u1edbc v\u00e0 c\u1ee7a n\u01b0\u1edbc trong c\u1ed1c \u0111\u1ec1u t\u0103ng."],"hint":"","explain":"<span class='basic_left'>Nh\u1ecf m\u1ed9t gi\u1ecdt n\u01b0\u1edbc \u0111ang s\u00f4i v\u00e0o m\u1ed9t c\u1ed1c \u0111\u1ef1ng n\u01b0\u1edbc \u1ea5m th\u00ec nhi\u1ec7t n\u0103ng c\u1ee7a gi\u1ecdt n\u01b0\u1edbc gi\u1ea3m, c\u1ee7a n\u01b0\u1edbc trong c\u1ed1c t\u0103ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2861},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"M\u1ed9t vi\u00ean \u0111\u1ea1n \u0111ang bay tr\u00ean cao th\u00ec n\u00f3 c\u00f3 nh\u1eefng d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng n\u00e0o?","select":["A. \u0110\u1ed9ng n\u0103ng.","B. Th\u1ebf n\u0103ng.","C. Nhi\u1ec7t n\u0103ng.","D. C\u1ea3 3 ph\u01b0\u01a1ng \u00e1n tr\u00ean."],"hint":"","explain":"<span class='basic_left'>M\u1ed9t vi\u00ean \u0111\u1ea1n \u0111ang bay tr\u00ean cao th\u00ec n\u00f3 c\u00f3 3 d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng g\u1ed3m : \u0110\u1ed9ng n\u0103ng, Th\u1ebf n\u0103ng, Nhi\u1ec7t n\u0103ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2862},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Nhi\u1ec7t n\u0103ng l\u00e0 g\u00ec ? ","select":["A. T\u1ed5ng n\u0103ng l\u01b0\u1ee3ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt g\u1ecdi l\u00e0 nhi\u1ec7t n\u0103ng.","B. T\u1ed5ng \u0111\u1ed9ng n\u0103ng ph\u00e2n t\u1eed c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt g\u1ecdi l\u00e0 nhi\u1ec7t n\u0103ng.","C. T\u1ed5ng \u0111\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt g\u1ecdi l\u00e0 nhi\u1ec7t n\u0103ng.","D. T\u1ed5ng c\u01a1 n\u0103ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt g\u1ecdi l\u00e0 nhi\u1ec7t n\u0103ng."],"hint":"","explain":"<span class='basic_left'>Nhi\u1ec7t n\u0103ng l\u00e0 t\u1ed5ng \u0111\u1ed9ng n\u0103ng ph\u00e2n t\u1eed c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2863},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Xoa hai b\u00e0n tay v\u00e0o nhau ta th\u1ea5y tay n\u00f3ng l\u00ean. Trong hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u00e3 c\u00f3 s\u1ef1 chuy\u1ec3n ho\u00e1 n\u0103ng l\u01b0\u1ee3ng t\u1eeb d\u1ea1ng n\u00e0o sang d\u1ea1ng n\u00e0o? \u0110\u00e2y l\u00e0 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng hay truy\u1ec1n nhi\u1ec7t?","select":["A. Nhi\u1ec7t n\u0103ng sang c\u01a1 n\u0103ng. \u0110\u00e2y l\u00e0 th\u1ef1c hi\u1ec7n c\u00f4ng.","B. Nhi\u1ec7t n\u0103ng sang c\u01a1 n\u0103ng. \u0110\u00e2y l\u00e0 truy\u1ec1n nhi\u1ec7t.","C. C\u01a1 n\u0103ng sang nhi\u1ec7t n\u0103ng. \u0110\u00e2y l\u00e0 th\u1ef1c hi\u1ec7n c\u00f4ng.","D. C\u01a1 n\u0103ng sang nhi\u1ec7t n\u0103ng. \u0110\u00e2y l\u00e0 truy\u1ec1n nhi\u1ec7t."],"hint":"","explain":"<span class='basic_left'>Trong hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u00e3 c\u00f3 s\u1ef1 chuy\u1ec3n ho\u00e1 n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u01a1 n\u0103ng sang nhi\u1ec7t n\u0103ng. \u0110\u00e2y l\u00e0 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2864},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"M\u1ed9t b\u00ecnh th\u1ee7y tinh ch\u1ee9a m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 ${{t}_{1}}$ . M\u1ed9t th\u1ecfi \u0111\u1ed3ng \u0111\u01b0\u1ee3c nung n\u00f3ng t\u1edbi nhi\u1ec7t \u0111\u1ed9 ${{t}_{2}}$ >${{t}_{1}}$. Th\u1ecfi \u0111\u1ed3ng sau \u0111\u00f3 \u0111\u01b0\u1ee3c th\u1ea3 v\u00e0o b\u00ecnh n\u01b0\u1edbc. Coi r\u1eb1ng b\u00ecnh c\u00e1ch nhi\u1ec7t v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i. \u0110\u1ee3i cho \u0111\u1ebfn khi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u00ecnh, n\u01b0\u1edbc v\u00e0 th\u1ecfi \u0111\u1ed3ng b\u1eb1ng nhau v\u00e0 b\u1eb1ng ${{t}_{3}}$.<br\/>Ch\u1ecdn c\u00e2u nh\u1eadn x\u00e9t \u0111\u00fang: ","select":["A. B\u00ecnh v\u00e0 n\u01b0\u1edbc nh\u1eadn m\u1ed9t c\u00f4ng t\u1eeb \u0111\u1ed3ng.","B. Nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb th\u1ecfi \u0111\u1ed3ng sang n\u01b0\u1edbc v\u00e0 b\u00ecnh.","C. Th\u1ecfi \u0111\u1ed3ng nh\u1eadn m\u1ed9t c\u00f4ng t\u1eeb n\u01b0\u1edbc.","D. ${{t}_{3}}$ > ${{t}_{2}}$"],"hint":"","explain":"<span class='basic_left'>Nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb th\u1ecfi \u0111\u1ed3ng sang n\u01b0\u1edbc v\u00e0 b\u00ecnh. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2865},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u1ed9t qu\u1ea3 bom v\u1eeba n\u1ed5 tr\u00ean kh\u00f4ng v\u00e0 r\u01a1i xu\u1ed1ng, c\u00f3 nh\u1eefng d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng n\u00e0o m\u00e0 em \u0111\u00e3 \u0111\u01b0\u1ee3c h\u1ecdc? H\u00e3y ch\u1ecdn c\u00e2u tr\u1ea3 l\u1eddi \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t: ","select":["A. Nhi\u1ec7t n\u0103ng.","B. \u0110\u1ed9ng n\u0103ng.","C. \u0110\u1ed9ng n\u0103ng, th\u1ebf n\u0103ng v\u00e0 nhi\u1ec7t n\u0103ng.","D. Th\u1ebf n\u0103ng."],"hint":"","explain":"<span class='basic_left'>M\u1ed9t qu\u1ea3 bom v\u1eeba n\u1ed5 tr\u00ean kh\u00f4ng v\u00e0 r\u01a1i xu\u1ed1ng, c\u00f3 \u0111\u1ed9ng n\u0103ng, th\u1ebf n\u0103ng v\u00e0 nhi\u1ec7t n\u0103ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2866},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" M\u1ed9t xe t\u1ea3i kh\u1ed1i l\u01b0\u1ee3ng 10.000 kg ch\u1ea1y v\u1edbi v\u1eadn t\u1ed1c kh\u00f4ng \u0111\u1ed5i l\u00e0 36 km\/h. Xe \u0111\u01b0\u1ee3c h\u00e3m \u0111\u1ee9ng l\u1ea1i nh\u1edd m\u1ed9t l\u1ef1c ma s\u00e1t. Nhi\u1ec7t l\u01b0\u1ee3ng t\u1ecfa ra: ","select":["A. $2\\times {{10}^{2}}$ J.","B. $5\\times {{10}^{5}}$ J.","C. $4\\times {{10}^{3}}$ J.","D. ${{10}^{6}}$ J."],"hint":"","explain":"<span class='basic_left'>Nhi\u1ec7t l\u01b0\u1ee3ng t\u1ecfa ra do ma s\u00e1t b\u1eb1ng ch\u00ednh \u0111\u1ed9ng n\u0103ng c\u1ee7a v\u1eadt:<br\/>$Q =\\dfrac{1}{2}\\times m\\times {{v}^{2}}=\\dfrac{1}{2}\\times 10000\\times {{10}^{2}}=5\\times {{10}^{5}}J$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2867},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ch\u1ecdn c\u00e2u sai.","select":["A. M\u1ed9t v\u1eadt c\u00f3 th\u1ec3 c\u00f3 c\u1ea3 c\u01a1 n\u0103ng v\u00e0 nhi\u1ec7t n\u0103ng.","B. B\u1ea5t k\u1ef3 v\u1eadt n\u00e0o c\u0169ng c\u00f3 c\u01a1 n\u0103ng.","C. B\u1ea5t k\u1ef3 v\u1eadt n\u00e0o c\u0169ng c\u00f3 nhi\u1ec7t n\u0103ng.","D. Nhi\u1ec7t n\u0103ng m\u00e0 m\u1ed9t v\u1eadt c\u00f3 \u0111\u01b0\u1ee3c kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt \u0111\u1ee9ng y\u00ean hay chuy\u1ec3n \u0111\u1ed9ng."],"hint":"","explain":"<span class='basic_left'>Kh\u00f4ng ph\u1ea3i b\u1ea5t k\u1ef3 v\u1eadt n\u00e0o c\u0169ng c\u00f3 c\u01a1 n\u0103ng, nh\u1eefng v\u1eadt kh\u00f4ng chuy\u1ec3n \u0111\u1ed9ng, n\u1eb1m tr\u00ean m\u1ed1c th\u1ebf n\u0103ng th\u00ec s\u1ebd kh\u00f4ng c\u00f3 c\u01a1 n\u0103ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2868},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Ch\u1ecdn c\u00e2u tr\u1ea3 l\u1eddi sai.<br\/> H\u00e3y n\u00eau nh\u1eefng qu\u00e1 tr\u00ecnh qua \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ea5y nhi\u1ec7t n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i khi m\u1ed9t c\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. ","select":["A. C\u1ecd s\u00e1t v\u1eadt \u0111\u00f3 v\u1edbi v\u1eadt kh\u00e1c.","B. Va ch\u1ea1m gi\u1eefa v\u1eadt \u0111\u00f3 v\u1edbi v\u1eadt kh\u00e1c.","C. N\u00e9n v\u1eadt \u0111\u00f3.","D. Cho ti\u1ebfp x\u00fac v\u1edbi m\u1ed9t v\u1eadt kh\u00e1c c\u00f3 nhi\u1ec7t \u0111\u1ed9 kh\u00e1c v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt."],"hint":"","explain":"<span class='basic_left'>Cho ti\u1ebfp x\u00fac v\u1edbi m\u1ed9t v\u1eadt kh\u00e1c c\u00f3 nhi\u1ec7t \u0111\u1ed9 kh\u00e1c v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt qua \u0111\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 th\u1ea5y nhi\u1ec7t n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i khi x\u1ea3y ra s\u1ef1 truy\u1ec1n nhi\u1ec7t. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2869},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"T\u1ea1i sao l\u01b0\u1ee1i c\u01b0a b\u1ecb n\u00f3ng l\u00ean khi c\u01b0a l\u00e2u? Nguy\u00ean nh\u00e2n n\u00e0o d\u1eabn \u0111\u1ebfn s\u1ef1 t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a l\u01b0\u1ee1i c\u01b0a? ","select":["A. V\u00ec c\u00f3 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng.","B. V\u00ec c\u00f3 s\u1ef1 truy\u1ec1n nhi\u1ec7t.","C. M\u1ed9t c\u00e1ch gi\u1ea3i th\u00edch kh\u00e1c.","D. V\u00ec c\u00f3 ma s\u00e1t."],"hint":"","explain":"<span class='basic_left'>V\u00ec c\u00f3 ma s\u00e1t sinh nhi\u1ec7t n\u00ean l\u01b0\u1ee1i c\u01b0a n\u00f3ng l\u00ean khi \u0111\u01b0\u1ee3c c\u01b0a l\u00e2u. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2870},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u1ed9t qu\u1ea3 t\u1ea1 kh\u1ed1i l\u01b0\u1ee3ng 5 kg \u0111\u01b0\u1ee3c th\u1ea3 r\u01a1i kh\u00f4ng v\u1eadn t\u1ed1c ban \u0111\u1ea7u t\u1eeb \u0111\u1ed9 cao 10m. B\u1ecf qua s\u1ee9c c\u1ea3n c\u1ee7a kh\u00f4ng kh\u00ed. T\u00ednh nhi\u1ec7t l\u01b0\u1ee3ng t\u1ecfa ra khi qu\u1ea3 t\u1ea1 ch\u1ea1m \u0111\u1ea5t c\u1ee9ng m\u00e0 kh\u00f4ng n\u1ea9y l\u00ean. Cho g = 10$m\/{{s}^{2}}$.","select":["A. 400J.","B. 600J.","C. 500J.","D. 480J."],"hint":"","explain":"<span class='basic_left'>Nhi\u1ec7t nhi\u1ec7t l\u01b0\u1ee3ng t\u1ecfa ra b\u1eb1ng c\u01a1 n\u0103ng c\u1ee7a v\u1eadt : $Q=mgh=5\\times 10\\times 10=500J$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2871},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Nung n\u00f3ng m\u1ed9t mi\u1ebfng s\u1eaft r\u1ed3i th\u1ea3 v\u00e0o c\u1ed1c n\u01b0\u1edbc l\u1ea1nh, nhi\u1ec7t n\u0103ng c\u1ee7a ch\u00fang thay \u0111\u1ed5i th\u1ebf n\u00e0o? \u0110\u00e2y l\u00e0 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng hay truy\u1ec1n nhi\u1ec7t? ","select":["A. Nhi\u1ec7t n\u0103ng c\u1ee7a mi\u1ebfng s\u1eaft t\u0103ng, nhi\u1ec7t n\u0103ng c\u1ee7a n\u01b0\u1edbc gi\u1ea3m. \u0110\u00e2y l\u00e0 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng.","B. Nhi\u1ec7t n\u0103ng c\u1ee7a mi\u1ebfng s\u1eaft v\u00e0 c\u1ee7a n\u01b0\u1edbc \u0111\u1ec1u t\u0103ng. Kh\u00f4ng c\u00f3 s\u1ef1 truy\u1ec1n nhi\u1ec7t.","C. Nhi\u1ec7t n\u0103ng c\u1ee7a mi\u1ebfng s\u1eaft gi\u1ea3m, nhi\u1ec7t n\u0103ng c\u1ee7a n\u01b0\u1edbc t\u0103ng. \u0110\u00e2y l\u00e0 s\u1ef1 truy\u1ec1n nhi\u1ec7t.","D. Nhi\u1ec7t n\u0103ng c\u1ee7a mi\u1ebfng s\u1eaft gi\u1ea3m, nhi\u1ec7t n\u0103ng c\u1ee7a n\u01b0\u1edbc t\u0103ng. \u0110\u00e2y l\u00e0 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng."],"hint":"","explain":"<span class='basic_left'>Nhi\u1ec7t n\u0103ng c\u1ee7a mi\u1ebfng s\u1eaft gi\u1ea3m, nhi\u1ec7t n\u0103ng c\u1ee7a n\u01b0\u1edbc t\u0103ng. \u0110\u00e2y l\u00e0 s\u1ef1 truy\u1ec1n nhi\u1ec7t.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2872},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Ch\u1ecdn c\u00e2u \u0111\u00fang.","select":["A. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt c\u00e0ng th\u1ea5p th\u00ec nhi\u1ec7t l\u01b0\u1ee3ng m\u00e0 v\u1eadt nh\u1eadn v\u00e0o c\u00e0ng nh\u1ecf.","B. Th\u1ecfi s\u1eaft nung n\u00f3ng ch\u1ee9a 300J nhi\u1ec7t l\u01b0\u1ee3ng.","C. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a mi\u1ebfng \u0111\u1ed3ng c\u00e0ng cao th\u00ec c\u00f4ng th\u1ef1c hi\u1ec7n l\u00ean mi\u1ebfng \u0111\u1ed3ng c\u00e0ng l\u1edbn.","D. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt c\u00e0ng cao th\u00ec nhi\u1ec7t n\u0103ng c\u1ee7a v\u1eadt c\u00e0ng l\u1edbn."],"hint":"","explain":"<span class='basic_left'>Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt c\u00e0ng cao th\u00ec nhi\u1ec7t n\u0103ng c\u1ee7a v\u1eadt c\u00e0ng l\u1edbn, nhi\u1ec7t n\u0103ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2873},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Nung n\u00f3ng m\u1ed9t c\u1ee5c s\u1eaft r\u1ed3i th\u1ea3 v\u00e0o ch\u1eadu n\u01b0\u1edbc l\u1ea1nh, n\u01b0\u1edbc n\u00f3ng l\u00ean, c\u1ee5c s\u1eaft ngu\u1ed9i \u0111i. Trong qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 s\u1ef1 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng:","select":["A. T\u1eeb c\u01a1 n\u0103ng sang c\u01a1 n\u0103ng.","B. T\u1eeb nhi\u1ec7t n\u0103ng sang c\u01a1 n\u0103ng.","C. T\u1eeb nhi\u1ec7t n\u0103ng sang nhi\u1ec7t n\u0103ng.","D. T\u1eeb c\u01a1 n\u0103ng sang nhi\u1ec7t n\u0103ng."],"hint":"","explain":"<span class='basic_left'>Trong qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 s\u1ef1 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng t\u1eeb nhi\u1ec7t n\u0103ng sang nhi\u1ec7t n\u0103ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2874},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Trong c\u00e1c ph\u00e1t bi\u1ec3u sau \u0111\u00e2y, ph\u00e1t bi\u1ec3u n\u00e0o l\u00e0 \u0111\u00fang? ","select":["A. Khi chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t c\u1ee7a c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt c\u00e0ng nhanh th\u00ec kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a v\u1eadt c\u0169ng t\u0103ng.","B. Khi chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t c\u1ee7a c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt c\u00e0ng nhanh th\u00ec kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a v\u1eadt c\u0169ng t\u0103ng.","C. Khi chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t c\u1ee7a c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt c\u00e0ng nhanh th\u00ec nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt c\u00e0ng t\u0103ng.","D. Khi chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t c\u1ee7a c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt c\u00e0ng nhanh th\u00ec th\u1ec3 t\u00edch c\u1ee7a v\u1eadt c\u0169ng t\u0103ng."],"hint":"","explain":"<span class='basic_left'>Khi chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t c\u1ee7a c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt c\u00e0ng nhanh th\u00ec nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt c\u00e0ng t\u0103ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2875},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"\u0110un n\u00f3ng m\u1ed9t \u1ed1ng nghi\u1ec7m \u0111\u1eady n\u00fat k\u00edn c\u00f3 \u0111\u1ef1ng n\u01b0\u1edbc. N\u01b0\u1edbc trong \u1ed1ng nghi\u1ec7m n\u00f3ng d\u1ea7n, t\u1edbi m\u1ed9t l\u00fac n\u00e0o \u0111\u00f3 h\u01a1i n\u01b0\u1edbc trong \u1ed1ng l\u00e0m b\u1eadt n\u00fat l\u00ean. Trong th\u00ed nghi\u1ec7m tr\u00ean, khi n\u00e0o th\u00ec c\u00f3 s\u1ef1 truy\u1ec1n nhi\u1ec7t, khi n\u00e0o c\u00f3 th\u1ef1c hi\u1ec7n c\u00f4ng?","select":["A. Qu\u00e1 tr\u00ecnh ch\u1ec9 l\u00e0 s\u1ef1 truy\u1ec1n nhi\u1ec7t.","B. Khi \u0111un n\u01b0\u1edbc c\u00f3 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng, khi n\u00fat \u1ed1ng nghi\u1ec7m b\u1eadt ra c\u00f3 s\u1ef1 truy\u1ec1n nhi\u1ec7t.","C. Khi \u0111un n\u01b0\u1edbc c\u00f3 s\u1ef1 truy\u1ec1n nhi\u1ec7t, khi n\u00fat \u1ed1ng nghi\u1ec7m b\u1eadt ra c\u00f3 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng.","D. Qu\u00e1 tr\u00ecnh ch\u1ec9 l\u00e0 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng."],"hint":"","explain":"<span class='basic_left'>Khi \u0111un n\u01b0\u1edbc c\u00f3 s\u1ef1 truy\u1ec1n nhi\u1ec7t, khi n\u00fat \u1ed1ng nghi\u1ec7m b\u1eadt ra c\u00f3 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2876},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang khi n\u00f3i v\u1ec1 nhi\u1ec7t n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt?","select":["A. Ch\u1ec9 c\u00f3 nh\u1eefng v\u1eadt c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn m\u1edbi c\u00f3 nhi\u1ec7t n\u0103ng.","B. Ch\u1ec9 c\u00f3 nh\u1eefng v\u1eadt c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao m\u1edbi c\u00f3 nhi\u1ec7t n\u0103ng.","C. Ch\u1ec9 c\u00f3 nh\u1eefng v\u1eadt c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang l\u1edbn m\u1edbi c\u00f3 nhi\u1ec7t n\u0103ng.","D. B\u1ea5t k\u00ec v\u1eadt n\u00e0o d\u00f9 n\u00f3ng hay l\u1ea1nh c\u0169ng \u0111\u1ec1u c\u00f3 nhi\u1ec7t n\u0103ng."],"hint":"","explain":"<span class='basic_left'>B\u1ea5t k\u00ec v\u1eadt n\u00e0o d\u00f9 n\u00f3ng hay l\u1ea1nh c\u0169ng \u0111\u1ec1u c\u00f3 nhi\u1ec7t n\u0103ng. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2877},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Trong c\u00e1c c\u00e1ch vi\u1ebft sau \u0111\u00e2y v\u1ec1 nhi\u1ec7t n\u0103ng, c\u00e2u n\u00e0o l\u00e0 kh\u00f4ng \u0111\u00fang?","select":["A. Nhi\u1ec7t n\u0103ng l\u00e0 m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng.","B. Nhi\u1ec7t n\u0103ng c\u1ee7a v\u1eadt ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt.","C. Nhi\u1ec7t n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt l\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t v\u1eadt thu v\u00e0o hay t\u1ecfa ra.","D. Nhi\u1ec7t n\u0103ng c\u1ee7a v\u1eadt l\u00e0 t\u1ed5ng \u0111\u1ed9ng n\u0103ng c\u1ee7a c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt."],"hint":"","explain":"<span class='basic_left'>Nhi\u1ec7t n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt l\u00e0 t\u1ed5ng \u0111\u1ed9ng n\u0103ng c\u1ee7a c\u00e1c ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt, kh\u00f4ng ph\u1ea3i l\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t v\u1eadt thu v\u00e0o hay t\u1ecfa ra.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2878},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"N\u1ed9i n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt l\u00e0:","select":["A. Th\u1ebf n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c nguy\u00ean t\u1eed, ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt.","B. \u0110\u1ed9ng n\u0103ng c\u1ee7a c\u00e1c nguy\u00ean t\u1eed, ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt.","C. T\u1ed5ng \u0111\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c nguy\u00ean t\u1eed, ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o l\u00ean v\u1eadt.","D. T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n \u0111\u1ec1u sai."],"hint":"","explain":"<span class='basic_left'>N\u1ed9i n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt l\u00e0 th\u1ebf n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c nguy\u00ean t\u1eed, ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean v\u1eadt. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2879}],"lesson":{"save":0,"level":2}}