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近地卫星和同步卫星

> 对人造地球卫星,以下说法正确的是 A．根据公式环绕速度随R的增大而增大 B．根据公式环绕速度随R的增大而减小 C．根据公式F＝mω2R，当R增大到原来的4倍时，卫星需要的向心力为原来的4倍 D．公式，当R增大到原来的2倍时，卫星需要的向心力减为原来的1/2

问题：

发布时间：2024-09-13

对人造地球卫星,以下说法正确的是

A．根据公式环绕速度随R的增大而增大

B．根据公式环绕速度随R的增大而减小

C．根据公式F＝mω²R，当R增大到原来的4倍时，卫星需要的向心力为原来的4倍

D．公式，当R增大到原来的2倍时，卫星需要的向心力减为原来的1/2

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