A 0.144 kg baseball is pitched horizontally at +38 m/s and after it is hit by a bat it moves horizontally at -38 m/s.
a) What is the impulse the bat delivers to the ball?
b) It the bat and ball are in contact for .80 ms what is the average force the bat exerted on the ball?
c) Find the average acceleration of the ball during contact with the bat.