急!在线等!一道简单的高二物理题 求过程一道简单的高二物理题 求过程如图,在水平向右的匀强电场中,长为L的绝缘细线一端系一小球,另一端固定于空间一点O,小球带电荷量为 -q ,质量为m,qE=
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![急!在线等!一道简单的高二物理题 求过程一道简单的高二物理题 求过程如图,在水平向右的匀强电场中,长为L的绝缘细线一端系一小球,另一端固定于空间一点O,小球带电荷量为 -q ,质量为m,qE=](/uploads/image/z/8677959-15-9.jpg?t=%E6%80%A5%21%E5%9C%A8%E7%BA%BF%E7%AD%89%21%E4%B8%80%E9%81%93%E7%AE%80%E5%8D%95%E7%9A%84%E9%AB%98%E4%BA%8C%E7%89%A9%E7%90%86%E9%A2%98+%E6%B1%82%E8%BF%87%E7%A8%8B%E4%B8%80%E9%81%93%E7%AE%80%E5%8D%95%E7%9A%84%E9%AB%98%E4%BA%8C%E7%89%A9%E7%90%86%E9%A2%98+%E6%B1%82%E8%BF%87%E7%A8%8B%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E6%B0%B4%E5%B9%B3%E5%90%91%E5%8F%B3%E7%9A%84%E5%8C%80%E5%BC%BA%E7%94%B5%E5%9C%BA%E4%B8%AD%2C%E9%95%BF%E4%B8%BAL%E7%9A%84%E7%BB%9D%E7%BC%98%E7%BB%86%E7%BA%BF%E4%B8%80%E7%AB%AF%E7%B3%BB%E4%B8%80%E5%B0%8F%E7%90%83%2C%E5%8F%A6%E4%B8%80%E7%AB%AF%E5%9B%BA%E5%AE%9A%E4%BA%8E%E7%A9%BA%E9%97%B4%E4%B8%80%E7%82%B9O%2C%E5%B0%8F%E7%90%83%E5%B8%A6%E7%94%B5%E8%8D%B7%E9%87%8F%E4%B8%BA+-q+%2C%E8%B4%A8%E9%87%8F%E4%B8%BAm%2CqE%3D)
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