..电场方面....,.在电场强度为E的匀强电场中,将一个质量为m、电荷量为q的带电小球由静止开始释放,带电小球沿与竖直方向成θ角的方向做直线运动,关于带电小球的电势能ε和机械能W的判断,
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![..电场方面....,.在电场强度为E的匀强电场中,将一个质量为m、电荷量为q的带电小球由静止开始释放,带电小球沿与竖直方向成θ角的方向做直线运动,关于带电小球的电势能ε和机械能W的判断,](/uploads/image/z/5933799-63-9.jpg?t=..%E7%94%B5%E5%9C%BA%E6%96%B9%E9%9D%A2....%2C.%E5%9C%A8%E7%94%B5%E5%9C%BA%E5%BC%BA%E5%BA%A6%E4%B8%BAE%E7%9A%84%E5%8C%80%E5%BC%BA%E7%94%B5%E5%9C%BA%E4%B8%AD%2C%E5%B0%86%E4%B8%80%E4%B8%AA%E8%B4%A8%E9%87%8F%E4%B8%BAm%E3%80%81%E7%94%B5%E8%8D%B7%E9%87%8F%E4%B8%BAq%E7%9A%84%E5%B8%A6%E7%94%B5%E5%B0%8F%E7%90%83%E7%94%B1%E9%9D%99%E6%AD%A2%E5%BC%80%E5%A7%8B%E9%87%8A%E6%94%BE%2C%E5%B8%A6%E7%94%B5%E5%B0%8F%E7%90%83%E6%B2%BF%E4%B8%8E%E7%AB%96%E7%9B%B4%E6%96%B9%E5%90%91%E6%88%90%CE%B8%E8%A7%92%E7%9A%84%E6%96%B9%E5%90%91%E5%81%9A%E7%9B%B4%E7%BA%BF%E8%BF%90%E5%8A%A8%2C%E5%85%B3%E4%BA%8E%E5%B8%A6%E7%94%B5%E5%B0%8F%E7%90%83%E7%9A%84%E7%94%B5%E5%8A%BF%E8%83%BD%CE%B5%E5%92%8C%E6%9C%BA%E6%A2%B0%E8%83%BDW%E7%9A%84%E5%88%A4%E6%96%AD%2C)
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