题目内容
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241155433601961.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115543485624.gif)
两质点抛出后都做平抛运动,设容器的半径为R,
两质点运动的时间分别为![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115543532254.gif)
对A球:Rsina=
(3)
Rcosa=
(3)
对B球:Rcosa=
(3)
Rsina=
(3)
联立①-④式得
(4)
两质点运动的时间分别为
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115543532254.gif)
对A球:Rsina=
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115543547346.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115543563332.jpg)
Rcosa=
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115543578445.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115543563332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115543625350.gif)
Rsina=
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115543641433.gif)
联立①-④式得
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115543485624.gif)
![](http://thumb2018.1010pic.com/images/loading.gif)
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