本题目来源于试卷: .Gravity..，类别为 美国物理杯赛(Physics Bowl)
[单选题]
08.38: Akg 1200 satellite orvq98kronw 9s506y q yubits Planet X in a circular orbi ,j6ixvq9or +ct with a constant speed of 5,000m/s. The radius of orbit is 7,500,000 m. What is the magnitude of the gravitationaq+v ci or6x9,jl 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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