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 orbits Planet X in a circular orbius- 3hqql c ,:d7zs5;qb4itmot with a consta*el9*oz:jt3 :e rd bcvnt speed of 5,000m/s. The radius of b r*9*zl ecvod3j::e torbit is 7,500,000 m. What is the magnitude of the gravitational 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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