本题目来源于试卷: Circular Motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
96.24: A 2.0-kg ball is attached to a 0.80 m cj usbyo 165o.string and v 20e((r n6n/i o/ofj n nm4t(ez1bsls whirled in a horizontal circle at a constant speed of 6.0 m/s. See figure to the right. The work done on the ball during each o4 orj/nnez l(nmn6 0ef(2(ss1t iv/brevolution is:
A. $450J$
B. $90J$
C. $72J$
D. $16J$
E. $zero$
参考答案: E
本题详细解析:
暂无
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