本题目来源于试卷: Gravity and Planetary Motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
08.38: Akg 1200 satel59hj*6-qq d kvasw)c1exwq izi 8b *d.lq xn7lp d-btu hjto4p)2za- 49ite orbits Planet X in a circular orbit with a constant speed of 5,000m/s. The radius of orbit is 7,500,000 m. What is the magnitude of the gravitatioo q4uj t tz)p9x-bnla4 pd-h72nal force exerted on the satellite by Planet X?
A. 400N
B. 200N
C. 0.080N
D. 0.0127N
E. More information is required to answer this question.
参考答案: A
本题详细解析:
暂无
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