A ball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. If the ball hits the floor with a speed of 3.50 m/s and rebounds with a speed of 1.50 m/s, determine the following.
(a) Magnitude of the change in the ball's momentum in kg · m/s (Let up be in the positive direction.)
(b) Change in the magnitude of the ball's momentum in kg · m/s (Let negative values indicate a decrease in magnitude.)
(c) Which of the two quantities calculated in parts (a) and (b) is more directly related to the net force acting on the ball during its collision with the floor?
1. The magnitude of the change in the ball's momentum
2. Neither are related to the net force acting on the ball.
3. They both are equally related to the net force acting on the ball.
4. The change in the magnitude of the ball's momentum
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