QUESTION: A ball with a mass of 0.50 kg is dropped from a height of 22.32 meters. The ball bounces elastically off the ground. In other words, the speed of the ball after the bounce is equal to the speed before the bounce. If the ball is in contact with the ground for 75 milliseconds, the average force exerted on the ball by the ground is ___ N. You may neglect air resistance and define up as the positive direction. Use three significant digits in your answer.
