A 0.226 kg baseball is thrown with a speed of 10.9 m/s. It is hit straight back at the pitcher with a ﬁnal speed of 9.65 m/s. a) What is the magnitude of the impulse delivered to the ball?Answer in units of kg ·m/s.
b) Find the average force exerted by the bat on the ball if the two are in contact for 0.00161s. Answer in units of N.