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 planet is discovered b.km:() krl y5issi 4. hrjcl3to orbit around + h-; d img,8qkf. foxq2(qtdna star in the galaxy Andromeda, with the same orbital diameter as the Ea +i(qhdnk 2gtm8q xof, -qf;.drth around our Sun. If that star has 4 times the mass of our Sun, what will the period of revolution of that new planet be, compared to the Earth's orbital period?
A. one-fourth as much
B. one-half as much
C. twice as much
D. four times as much
参考答案: B
本题详细解析:
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