A tennis ball is dropped on to a horizontal surface. As the ball bounces up and down, the height of each bounce gradually decreases. During the motion:

The kinetic energy of the ball is constant

The potential energy of the ball is constant

The sum of the kinetic and potential energies of the ball is constant

The total energy of the ball, ground and air is constant

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A tennis ball is dropped on to a horizontal surface. As... | Physics MCQ #186 | Examora | Examora