SOLUTION: SolutionSince the ball and the plate. are both positile charged. they repelfrom each other. As the grawity if direated downcoord. the inpleence of the ellectric fiseld may be considered as an increase offree-fall accederation for the ball.If the ball becomes discharged, the force of it's interacetion with the plate becomes Lero and the free fal ... See the full answer