题目内容
已知地球半径为R,质量为M,自转角速度为w,地球表面重力加速度为g,万有引力恒量为G,地球同步卫星与地心间的距离为r,则
A.地面赤道上物体随地球自转运动的线速度为wR |
B.地球同步卫星的运行速度为![]() |
C.地球近地卫星做匀速圆周运动的线速度为wR |
D.地球近地卫星做匀速圆周运动的线速度为![]() |
AD
试题分析:由于赤道上的物体运动的轨道半径为R,根据
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002731120470.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002731136902.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002731151684.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002731167601.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002731182960.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002731198680.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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