144 kg baseball is pitched horizontally at 40.0 m/s. After it is hit by the bat, it moves at the same speed, but in the opposite direction.

A 0.144 kg baseball is pitched horizontally at 40.0 m/s. After it is hit by the bat, it moves at the same speed, but in the opposite direction. (a) Draw arrows showing the ball's momentum before and after it hits the bat. (Do this on paper. Your instructor may ask you to turn in this work.) (b) What was the change in momentum of the ball? 2 kg·m/s(c) What was the impulse delivered by the bat? 3 N·s (d) If the bat and ball were in contact for 0.85 ms, what was the average force the bat exerted on the ball? 4 N