如图所示仅在电场力作用下一带负电粒子沿图中虚线从a运动到b则 A.电场力对粒子做正功b.粒子动能减�c.粒子电势能减�d.粒子加速度 Template




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tomski如图所示仅在电场力作用下一带负电粒子沿图中虚线从a运动到b则 a.电场力对粒子做正功b.粒子动能减�c.粒子电势能减�d.粒子加速度 coloring