一带电粒子在电场中的运动轨迹如图中虚线所示实线为等势线.若不计空气阻力则此带电粒子从a运动到b的过程中其能量变化情况正确为 A.动能 Template




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tomski一带电粒子在电场中的运动轨迹如图中虚线所示实线为等势线.若不计空气阻力则此带电粒子从a运动到b的过程中其能量变化情况正确为 a.动能 coloring