本题目来源于试卷: Circular Motion,类别为 美国物理杯赛(Physics Bowl)
[单选题]
05.03: What is the centripee es vm 2.pr+k6jzh d3)6gun7ztal acceleratioi8;xa l8v e(bun of an object (mass = 50 g) on the end of i(x88l ea;vbu an 80-cm string rotating at a constant rate of 4 times a second?
A. $25 \; m/s^{2}$
B. $32 \; m/s^{2}$
C. $100 \; m/s^{2}$
D. $500 \; m/s^{2}$
E. $2500 \; m/s^{2}$
参考答案: D
本题详细解析:
暂无
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