A pitcher throws a 0.15 kilogram baseball thus that it crosses home plate horizontally with a speed of 25 m/s. It is hit straight back at the pitcher with a final speed of 23 m/s. Suppose the direction of the initial motion of the baseball to be positive.
(a) Determine what is the impulse delivered to the ball?
kg•m/s
(b) Estimate the average force exerted by the bat on the ball if the two are in contact for 2.0 x 10-3 s.
N