本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 通用国际物理
[单选题]
A satellite is in circuyu7:x1zm5pqe1un i/t lar orbit 2cn/khy 67 -vcj30 km above the surface of the Earth. It is observed to have a period of 89 min. What is the mass of the Earth? (The meancvycjn-/hk 7 6 radius of the Earth is $6.38 \times 10^{6} \; m$.)
A. $5.0 \times 10^{24} \; kg$
B. $5.5 \times 10^{24} \; kg$
C. $6.0 \times 10^{24} \; kg$
D. $6.5 \times 10^{24} \; kg$
参考答案: C
本题详细解析:
暂无
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