本题目来源于试卷: .Gravity..，类别为 美国物理杯赛(Physics Bowl)
[单选题]
98.24: A planet has a ru.cq p3+9 wm(hpax7y3+p x jvxadius one-half that of Earth and a * nynh3o-daf7k8tvff 3-pj/c2v/ g r dmass one-fifth the Earth’s mass. The gravitational acceleration at the surface of the planet is most nearff *rc-7jn3-d28 kfdopv/vtyhag/n3 ly
A. $4.0 m/s^{2}$
B. $8.0 m/s^{2}$
C. $12.5 m/s^{2}$
D. $25.0 m/s^{2}$
E. $62.5.0 m/s^{2}$
参考答案: B
本题详细解析:
暂无
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