题目内容
如图所示,半径为R的竖直光滑圆轨道内侧底部静止着一个光滑小球,现给小球一个冲击使其在瞬间得到一个水平初速v0,若v0大小不同,则小球能够上升到的最大高度(距离底部)也不同。下列说法中不正确的是
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250024284444120.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250024284444120.png)
A.如果![]() |
B.如果![]() |
C.如果![]() |
D.如果![]() |
C
试题分析:如果
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428459555.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428537821.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428553550.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428553550.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428584414.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428475627.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428537821.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428615624.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428615624.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428615624.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428506600.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250024286781082.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428693505.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002428693434.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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