题目内容
(13分)如图所示,离子发生器发射出一束质量为m,电荷量为q的离子,从静止经加速电压U加速后,获得速度v0并沿垂直于电场线方向射人两平行板中央,受偏转电压U2作用后,以某一速度离开电场,已知平行板长为
,两板间距离为d.求:
(1)v0的大小;
(2)离子在偏转电场中的运动时间t;
(3)离子在离开偏转电场时的速度
的大小和方向;![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241218344463085.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834415185.gif)
(1)v0的大小;
(2)离子在偏转电场中的运动时间t;
(3)离子在离开偏转电场时的速度
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834431185.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241218344463085.jpg)
(1)![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834462577.gif)
(2)![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834478603.gif)
(3)![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834493889.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834462577.gif)
(2)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834478603.gif)
(3)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834493889.gif)
(1)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834462577.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834524991.gif)
(3)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834540780.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834556601.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121834571863.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241218345871076.gif)
![](http://thumb2018.1010pic.com/images/loading.gif)
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