Rotational Equilibrium (id: a2135760d)

本题目来源于试卷: Rotational Equilibrium，类别为 美国物理杯赛(Physics Bowl)

[单选题]
98.38: A uniform meter stick of mass 0.20 kg is p1 g*rkwb+t va 62vb.kfivy 6p*i ud 6-owan2e7ygoted at the 40-cm mark. Where should one hang a mass of 0.50 kg to balad76gwniuoayey 6-2p *nce the stick?

A. 16cm
B. 36cm
C. 44cm
D. 46cm
E. 54cm


参考答案:  B


本题详细解析: 暂无

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