如图所示,空间的虚线框内有匀强电场,AA’、BB’、CC’是该电场的三个等势面,相邻等势面间的距离均为0.5cm,其中BB’为零势能面.一个质量为m,带电量为+q的粒子沿AA’方向以初动能Ek自图中的
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![如图所示,空间的虚线框内有匀强电场,AA’、BB’、CC’是该电场的三个等势面,相邻等势面间的距离均为0.5cm,其中BB’为零势能面.一个质量为m,带电量为+q的粒子沿AA’方向以初动能Ek自图中的](/uploads/image/z/3269905-25-5.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E7%A9%BA%E9%97%B4%E7%9A%84%E8%99%9A%E7%BA%BF%E6%A1%86%E5%86%85%E6%9C%89%E5%8C%80%E5%BC%BA%E7%94%B5%E5%9C%BA%2CAA%E2%80%99%E3%80%81BB%E2%80%99%E3%80%81CC%E2%80%99%E6%98%AF%E8%AF%A5%E7%94%B5%E5%9C%BA%E7%9A%84%E4%B8%89%E4%B8%AA%E7%AD%89%E5%8A%BF%E9%9D%A2%2C%E7%9B%B8%E9%82%BB%E7%AD%89%E5%8A%BF%E9%9D%A2%E9%97%B4%E7%9A%84%E8%B7%9D%E7%A6%BB%E5%9D%87%E4%B8%BA0%EF%BC%8E5cm%2C%E5%85%B6%E4%B8%ADBB%E2%80%99%E4%B8%BA%E9%9B%B6%E5%8A%BF%E8%83%BD%E9%9D%A2.%E4%B8%80%E4%B8%AA%E8%B4%A8%E9%87%8F%E4%B8%BAm%2C%E5%B8%A6%E7%94%B5%E9%87%8F%E4%B8%BA%2Bq%E7%9A%84%E7%B2%92%E5%AD%90%E6%B2%BFAA%E2%80%99%E6%96%B9%E5%90%91%E4%BB%A5%E5%88%9D%E5%8A%A8%E8%83%BDEk%E8%87%AA%E5%9B%BE%E4%B8%AD%E7%9A%84)
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