题目内容
如图所示,重
的滑块在倾角为
的斜面上,从
点由静止下滑,到
点接触到一个轻弹簧,滑块压缩弹簧到
点开始弹回,返回
点离开弹簧,最后又回到
点,已知
,那么在整个过程中( )
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241222359662161.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824122235841347.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824122235857229.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824122235872188.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824122235888191.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824122235904132.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824122235888191.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824122235872188.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824122235950525.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241222359662161.jpg)
A.滑块动能的最大值是![]() | B.弹簧弹性势能的最大值是![]() |
C.从![]() ![]() ![]() | D.整个过程系统机械能不守恒 |
BC
略
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.滑块动能的最大值是![]() | B.弹簧弹性势能的最大值是![]() |
C.从![]() ![]() ![]() | D.整个过程系统机械能不守恒 |