题目内容
“玉兔号”登月车在月球表面接触的第一步实现了中国人“奔月”的伟大梦想。机器人“玉兔号”在月球表面做了一个自由下落试验,测得物体从静止自由下落h高度的时间t,已知月球半径为R,自转周期为T,引力常量为G。则
A.月球表面重力加速度为![]() |
B.月球第一宇宙速度为![]() |
C.月球质量为![]() |
D.月球同步卫星离月球表面高度![]() |
D
试题分析:根据h=
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004543793334.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004543808685.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250045438241305.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004543840934.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250045438551143.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250045438711535.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250045437771020.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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