题目内容
如图所示,匀强电场方向沿x轴的正方向,场强为E。在
A(d,0)点有一个静止的中性微粒,由于内部作用,某一时
刻突然分裂成两个质量均为m的带电微粒,其中电荷量为q
的微粒1沿y轴负方向运动,经过一段时间到达(0,-d)点。
不计重力和分裂后两微粒间的作用。试求
(1)分裂时两个微粒各自的速度;
(2)当微粒1到达(0,-d)点时,电场力对微粒1做功的
瞬间功率;
(3)当微粒1到达(0,-d)点时,两微粒间的距离。![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241146173443863.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617219332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617219332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617219332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617219332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617219332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617219332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617219332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617219332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241146173443863.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617219332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617375604.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617391589.gif)
(2)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617407689.gif)
(3)2
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617407258.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617531377.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617578455.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617594471.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617625609.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617672489.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617703646.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617843656.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617875886.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617906690.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114618062461.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114617438332.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824114618155573.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241146181715442.jpg)
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目