1.光滑绝缘的水平面上M,N两点分别各放一带电量为+q和+2q、质量大小完全相同的金属球A,B,给A,B大小相等的初动能E0(此时动量大小均为p0),使其相向运动并刚好发生碰撞,碰后各返回M,N点时的
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![1.光滑绝缘的水平面上M,N两点分别各放一带电量为+q和+2q、质量大小完全相同的金属球A,B,给A,B大小相等的初动能E0(此时动量大小均为p0),使其相向运动并刚好发生碰撞,碰后各返回M,N点时的](/uploads/image/z/11399956-52-6.jpg?t=1.%E5%85%89%E6%BB%91%E7%BB%9D%E7%BC%98%E7%9A%84%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8AM%2CN%E4%B8%A4%E7%82%B9%E5%88%86%E5%88%AB%E5%90%84%E6%94%BE%E4%B8%80%E5%B8%A6%E7%94%B5%E9%87%8F%E4%B8%BA%2Bq%E5%92%8C%2B2q%E3%80%81%E8%B4%A8%E9%87%8F%E5%A4%A7%E5%B0%8F%E5%AE%8C%E5%85%A8%E7%9B%B8%E5%90%8C%E7%9A%84%E9%87%91%E5%B1%9E%E7%90%83A%2CB%2C%E7%BB%99A%2CB%E5%A4%A7%E5%B0%8F%E7%9B%B8%E7%AD%89%E7%9A%84%E5%88%9D%E5%8A%A8%E8%83%BDE0%EF%BC%88%E6%AD%A4%E6%97%B6%E5%8A%A8%E9%87%8F%E5%A4%A7%E5%B0%8F%E5%9D%87%E4%B8%BAp0%EF%BC%89%2C%E4%BD%BF%E5%85%B6%E7%9B%B8%E5%90%91%E8%BF%90%E5%8A%A8%E5%B9%B6%E5%88%9A%E5%A5%BD%E5%8F%91%E7%94%9F%E7%A2%B0%E6%92%9E%2C%E7%A2%B0%E5%90%8E%E5%90%84%E8%BF%94%E5%9B%9EM%2CN%E7%82%B9%E6%97%B6%E7%9A%84)
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