Chuyển động biến đổi. Gia tốc

Home Lớp 10 Vật lý 10 - Sách kết nối tri thức Bài 8: Chuyển động biến đổi. Gia tốcBài tập cơ bản

{"common":{"save":0,"post_id":"6340","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5846","mon_id":"1158790","chapter_id":"1158795","post_id":"6340","question":"Kh\u1ea3o sát v\u1eadn t\u1ed1c t\u1ee9c th\u1eddi c\u1ee7a m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng \u0111\u01b0\u1ee3c ghi l\u1ea1i nh\u01b0 sau: <svg height=\"72\" width=\"626\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"74\" id=\"canvas_background\" width=\"628\" 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><title><\/title><image height=\"72\" id=\"svg_1\" width=\"626\" x=\"0\" xlink:href=\"data:image\/png;base64,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\" y=\"0\"><\/image> <\/g> <\/svg><\/span> Hãy xác \u0111\u1ecbnh \u0111\u1ed9 bi\u1ebfn thiên c\u1ee7a v\u1eadn t\u1ed1c sau 10 s c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng trên.<\/p>","options":["A. 8 m\/s","B. 2,25 m\/s","C. 14,75 m\/s","D. 11,25 m\/s"],"correct":"3","level":"1","hint":"\u0110\u1ed9 bi\u1ebfn thiên v\u1eadn t\u1ed1c $\u0394\\nu = \\nu_{sau} - \\nu_{tr\u01b0\u1edbc}$<\/span><\/p>","answer":"Ch\u1ecdn C.<\/strong><\/span> Trong kho\u1ea3ng 10 s: $\u0394\\nu = \\nu_{sau} - \\nu_{tr\u01b0\u1edbc}= 14,75 \u2013 0 = 14,75 (m\/s).$<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-10-25 01:05:36","option_type":"txt","len":1},{"id":"5847","mon_id":"1158790","chapter_id":"1158795","post_id":"6340","question":"Chuy\u1ec3n \u0111\u1ed9ng bi\u1ebfn \u0111\u1ed5i là gì?<\/p>","options":["A. là chuy\u1ec3n \u0111\u1ed9ng có v\u1ecb trí thay \u0111\u1ed5i theo th\u1eddi gian","B. là chuy\u1ec3n \u0111\u1ed9ng có \u0111\u1ed9 d\u1ecbch chuy\u1ec3n thay \u0111\u1ed5i theo th\u1eddi gian \n ","C. là chuy\u1ec3n \u0111\u1ed9ng có v\u1eadn t\u1ed1c thay \u0111\u1ed5i theo th\u1eddi gian"],"correct":"3","level":"1","hint":"Chuy\u1ec3n \u0111\u1ed9ng bi\u1ebfn \u0111\u1ed5i là chuy\u1ec3n \u0111\u1ed9ng có v\u1eadn t\u1ed1c thay \u0111\u1ed5i theo th\u1eddi gian.<\/p>","answer":"Ch\u1ecdn C.<\/strong><\/span> Chuy\u1ec3n \u0111\u1ed9ng bi\u1ebfn \u0111\u1ed5i là chuy\u1ec3n \u0111\u1ed9ng có v\u1eadn t\u1ed1c thay \u0111\u1ed5i theo th\u1eddi gian.  <\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-10-25 01:08:07","option_type":"txt","len":3},{"id":"5848","mon_id":"1158790","chapter_id":"1158795","post_id":"6340","question":"Chuy\u1ec3n \u0111\u1ed9ng có \u0111\u1ed9 l\u1edbn v\u1eadn t\u1ed1c t\u0103ng d\u1ea7n theo th\u1eddi gian g\u1ecdi là…, chuy\u1ec3n \u0111\u1ed9ng có \u0111\u1ed9 l\u1edbn v\u1eadn t\u1ed1c gi\u1ea3m d\u1ea7n theo th\u1eddi gian g\u1ecdi là…<\/p>","options":["A. chuy\u1ec3n \u0111\u1ed9ng nhanh d\u1ea7n – chuy\u1ec3n \u0111\u1ed9ng ch\u1eadm d\u1ea7n","B. chuy\u1ec3n \u0111\u1ed9ng th\u1eb3ng – chuy\u1ec3n \u0111\u1ed9ng tròn","C. chuy\u1ec3n \u0111\u1ed9ng nhanh d\u1ea7n – \u0111\u1ee9ng yên","D. chuy\u1ec3n \u0111\u1ed9ng ch\u1eadm d\u1ea7n – chuy\u1ec3n \u0111\u1ed9ng nhanh d\u1ea7n"],"correct":"1","level":"1","hint":"Chuy\u1ec3n \u0111\u1ed9ng có \u0111\u1ed9 l\u1edbn v\u1eadn t\u1ed1c t\u0103ng d\u1ea7n theo th\u1eddi gian g\u1ecdi là chuy\u1ec3n \u0111\u1ed9ng nhanh d\u1ea7n, chuy\u1ec3n \u0111\u1ed9ng có \u0111\u1ed9 l\u1edbn v\u1eadn t\u1ed1c gi\u1ea3m d\u1ea7n theo th\u1eddi gian g\u1ecdi là chuy\u1ec3n \u0111\u1ed9ng ch\u1eadm d\u1ea7n.<\/p>","answer":"Ch\u1ecdn A.<\/strong><\/span> Chuy\u1ec3n \u0111\u1ed9ng có \u0111\u1ed9 l\u1edbn v\u1eadn t\u1ed1c t\u0103ng d\u1ea7n theo th\u1eddi gian g\u1ecdi là chuy\u1ec3n \u0111\u1ed9ng nhanh d\u1ea7n, chuy\u1ec3n \u0111\u1ed9ng có \u0111\u1ed9 l\u1edbn v\u1eadn t\u1ed1c gi\u1ea3m d\u1ea7n theo th\u1eddi gian g\u1ecdi là chuy\u1ec3n \u0111\u1ed9ng ch\u1eadm d\u1ea7n.<\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-10-25 01:08:58","option_type":"txt","len":3}]}