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单选题 曲线运动的切向加速度
和法向加速度
的大小分别是
A. 
, 
B. 
, 
C. , 
D. 
,
学科：默认课程
时间：2026-04-21 23:05:14
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题目1单选题
关于质点速度的大小,正确的是A. <img src="https://tihai-oss-cloud.itihey.com/img/48a6b489f481ddc19ce3c248b30e1c66.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/3a9c5823d9e222e73ef706d4732acb9f.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/529c693952940d443146ff5c17fc1f9b.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/daf95f83525574954ed075e8256dd1a5.png">
题目2单选题
曲线运动的切向加速度<img src="https://tihai-oss-cloud.itihey.com/img/ad6c3fa8c2dbf457cd77fbe7dc8713c3.png">和法向加速度<img src="https://tihai-oss-cloud.itihey.com/img/a26439778fcf7b61c8b4c9d13a00a102.png">的大小分别是A. <img src="https://tihai-oss-cloud.itihey.com/img/bd4d2c7e301b1bf12a36662a8be6da03.png">, <img src="https://tihai-oss-cloud.itihey.com/img/291ddfb6ffa8b25da10e83867ede85a1.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/1df3a05a62f25a305c92630342c44622.png">, <img src="https://tihai-oss-cloud.itihey.com/img/dce082113796a11fe6026fbd85cdc307.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/713187738952cf50ba35298c2436cc02.png">, <img src="https://tihai-oss-cloud.itihey.com/img/0ce6eb4313ebed1e77e6fd72ff33c50a.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/7fd0161629a777438be9e7ac5b4a6f64.png">, <img src="https://tihai-oss-cloud.itihey.com/img/bcc46614ba38dc8e787ce7bba737ba37.png">
题目3单选题
关于质点位移的大小,正确的是A. <img src="https://tihai-oss-cloud.itihey.com/img/bde1080196fca16ea29d85359b76ce20.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/3b9da5fae02027064d34e65fe915c0d3.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/863f9e474b90c674744f603a9bf4f656.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/70e777af5b4cb954fb28ae004013ef4f.png">
题目4单选题
质点加速度的定义,错误的是A. <img src="https://tihai-oss-cloud.itihey.com/img/96b41f842626cdbee417b2cd5a207d19.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/8ccfb5596d5e1e0fab39e1b722990a22.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/46d8c3b280f703fe660d73e5c3b655eb.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/7d48c2a938fd6d51298ed143cc44a2a7.png">
题目5单选题
曲线运动的切向加速度<img src="https://tihai-oss-cloud.itihey.com/img/ad6c3fa8c2dbf457cd77fbe7dc8713c3.png">和法向加速度<img src="https://tihai-oss-cloud.itihey.com/img/a26439778fcf7b61c8b4c9d13a00a102.png">的大小分别是A. <img src="https://tihai-oss-cloud.itihey.com/img/09d091c7069971433875b821fd05612e.png">, <img src="https://tihai-oss-cloud.itihey.com/img/34e94dbe2a2e715881e093c37be66f23.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/c855a96914a58c9bde3819596665ca78.png">, <img src="https://tihai-oss-cloud.itihey.com/img/c8224a190f5cc6e1cedb617a1d9550ce.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/c855a96914a58c9bde3819596665ca78.png">, <img src="https://tihai-oss-cloud.itihey.com/img/9c592ca5e0743eae63b576107ef5624c.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/01f367ed16e212b00fa25db1d35fca85.png">, <img src="https://tihai-oss-cloud.itihey.com/img/9c592ca5e0743eae63b576107ef5624c.png">
题目6单选题
This should save her from boredom and will also _____ the pressure on you to keep her entertainedA. relieveB. restrainC. neglectD. complain
题目7单选题
The company faces the _____ of a new competitor entering the market with a better offerA. affectionB. prospectC. preferenceD. passion
题目8单选题
He is thinking about changing _____ and becoming a police officerA. nationalitiesB. visasC. resumesD. occupations
题目9单选题
After a short break for rain, the match _____ with both players seeking to attackA. resumedB. embarkedC. cancelledD. qualified
题目10单选题
We hope the meetings will produce _____ resultsA. symbolicB. irrelevantC. originalD. concrete
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