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近地卫星和同步卫星

> 关于环绕地球运转的人造地球卫星，有如下几种说法，其中正确的是（） A．轨道半径越大，速度越小，向心加速度越大 B．轨道半径越大，速度越大，周期越短 C．轨道半径越大，速度越大，周期越长 D．轨道半径越小，速度越大，向心加速度越大

问题：

发布时间：2024-09-09

关于环绕地球运转的人造地球卫星，有如下几种说法，其中正确的是（）

A．轨道半径越大，速度越小，向心加速度越大

B．轨道半径越大，速度越大，周期越短

C．轨道半径越大，速度越大，周期越长

D．轨道半径越小，速度越大，向心加速度越大

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