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 circular orbit 230 km above the surface of thebp5 fzen5pv e -;(gkeplv; y,)xc w,n; Earrrvs.1 60wyb01u)b02xgoucj8k t )ypabj wn3 th. It is observed to have a period of 89 min. What is the mass of the Earth? (The mean radiuob br8rgjy00jsptuw 1u3vk) . xa ncb2 1w60y)s 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:
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