均质圆盘绕过圆心的定轴O转动,物体的质量为m,角速度为,半径为r,则圆盘的动能为( )。 -题库考试答案搜索网

均质圆盘绕过圆心的定轴O转动,物体的质量为m,角速度为,半径为r,则圆盘的动能为( )。

单选题

2021-07-17 23:20

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1539673910946b7d0720b1ab446e1a3e87153aed8f6e0.png" alt="上传图片"><br>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/153967391860908d978c222cf4717aabdcf7e4123f695.png" alt="上传图片"><br>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15396739250562dcd4817453c4a44a842dcfe90f0f106.png" alt="上传图片"><br>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/153967393291550fe2245e39c453f94bb368d5aaa3296.png" alt="上传图片"><br>

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正确答案

D

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标签：土木工程高起本理论力学 2019级第三学期期末考试水利水电工程

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