物理试卷17:如图所示,在点电荷Q形成的电场中,a、b两点在同一等势面上,c、d两点在另外同一等势面上甲、乙两带电粒子的运动轨迹分别为acb和adb曲线.若两粒子通过a点时具有相同的动能,则(
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![物理试卷17:如图所示,在点电荷Q形成的电场中,a、b两点在同一等势面上,c、d两点在另外同一等势面上甲、乙两带电粒子的运动轨迹分别为acb和adb曲线.若两粒子通过a点时具有相同的动能,则(](/uploads/image/z/8297618-50-8.jpg?t=%E7%89%A9%E7%90%86%E8%AF%95%E5%8D%B717%EF%BC%9A%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E5%9C%A8%E7%82%B9%E7%94%B5%E8%8D%B7Q%E5%BD%A2%E6%88%90%E7%9A%84%E7%94%B5%E5%9C%BA%E4%B8%AD%2Ca%E3%80%81b%E4%B8%A4%E7%82%B9%E5%9C%A8%E5%90%8C%E4%B8%80%E7%AD%89%E5%8A%BF%E9%9D%A2%E4%B8%8A%2Cc%E3%80%81d%E4%B8%A4%E7%82%B9%E5%9C%A8%E5%8F%A6%E5%A4%96%E5%90%8C%E4%B8%80%E7%AD%89%E5%8A%BF%E9%9D%A2%E4%B8%8A%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E5%B8%A6%E7%94%B5%E7%B2%92%E5%AD%90%E7%9A%84%E8%BF%90%E5%8A%A8%E8%BD%A8%E8%BF%B9%E5%88%86%E5%88%AB%E4%B8%BAacb%E5%92%8Cadb%E6%9B%B2%E7%BA%BF.%E8%8B%A5%E4%B8%A4%E7%B2%92%E5%AD%90%E9%80%9A%E8%BF%87a%E7%82%B9%E6%97%B6%E5%85%B7%E6%9C%89%E7%9B%B8%E5%90%8C%E7%9A%84%E5%8A%A8%E8%83%BD%2C%E5%88%99%28)
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