本题目来源于试卷: Rotational Dynamics,类别为 美国物理杯赛(Physics Bowl)
[单选题]
14.43: A long rod of le rl. u7eyr/td*g si ;o:;5ium tngth L is pivoted about its lef zd4 s5 7azs1rft end. It is released from an angle θabove the horizontal. Wh zz d4r7ss15faat is the magnitude of the angular acceleration of the rod about the pivot when the rod is released?
A. $\frac{6g}{L}Cosθ$
B. $\frac{6g}{L}sinθ$
C. $\frac{3g}{2L}sinθ$
D. $\frac{3g}{2L}Cosθ$
E. $\frac{3g}{L}sinθ$
参考答案: D
本题详细解析:
暂无
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