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近地卫星和同步卫星

> 当一个做匀速圆周运动的人造卫星的轨道半径增大到原来的2倍时，则（） A．卫星的线速度减小到原来的倍 B．卫星所需向心力减小到原来的1/4倍 C．卫星的线速度也增大到原来的2倍 D．卫星所需向心力减小到原来的1/2倍

问题：

发布时间：2024-09-07

当一个做匀速圆周运动的人造卫星的轨道半径增大到原来的2倍时，则（）

A．卫星的线速度减小到原来的倍

B．卫星所需向心力减小到原来的1/4倍

C．卫星的线速度也增大到原来的2倍

D．卫星所需向心力减小到原来的1/2倍

参考答案：

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当一个做匀速圆周运动的人造卫星的轨道半径增大到原来的2倍时，则（ ） A．卫星的线速度减小到原来的倍 B．卫星所需向心力减小到原来的1/4倍 C．卫星的线速度也增大到原来的2倍 D．卫星所需向心力减小到原来的1/2倍

可能感兴趣的题目：

当一个做匀速圆周运动的人造卫星的轨道半径增大到原来的2倍时，则（）

A．卫星的线速度减小到原来的倍

B．卫星所需向心力减小到原来的1/4倍

C．卫星的线速度也增大到原来的2倍

D．卫星所需向心力减小到原来的1/2倍