如图所示,一带正电的点电荷固定于o点,两虚线圆均以o为圆心.两实线分别为带电粒子m和n先后在电场中运动的轨迹,a、b、c、d、e为轨迹和虚线圆 Template


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tomski如图所示,一带正电的点电荷固定于o点,两虚线圆均以o为圆心.两实线分别为带电粒子m和n先后在电场中运动的轨迹,a、b、c、d、e为轨迹和虚线圆 coloring