本题目来源于试卷: .Gravity..，类别为 美国物理杯赛(Physics Bowl)
[单选题]
96.23: A hypothetical planet habefkl;*bwj6-( cm 8t ss seven times the mass of Earth and twq8*d4 vyi u oc k06mucbpf1o1a(yn7/qice the radius of Earth. 0 d(/ 8ni mqfa1yuqcbk61yc*p o47uvoThe magnitude of the gravitational acceleration at the surface of this planet is most nearly:
A. $2.9m/s^{2}$
B. $5.7 m/s^{2}$
C. $17.5m/s^{2}$
D. $35 m/s^{2}$
E. $122m/s^{2}$
参考答案: C
本题详细解析:
暂无
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