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 o9e0 qy 8o*ibnarbits Planet X in a c skaeb nj-,5o*ircular orbit with a constant speed of 5,000m/s. The radius of orbit is 7,500,000 m. What is the magnitude of the gravitational force exerted on the sate k-sn,ob5* jaellite 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
| 
