试题与答案

天文工作者观测某行星的半径为R1,自转周期为T1,它有一颗卫星,轨道半径为R2,

题型:问答题

题目:

天文工作者观测某行星的半径为R1,自转周期为T1,它有一颗卫星,轨道半径为R2,绕行星公转周期为T2

则(1)该行星的平均密度为多大?

(2)要在此行星的赤道上发射一颗同步人造卫星,使其轨道在赤道上方,则该人造卫星的轨道半径为多大?

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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