A pitcher pitches a baseball of mass 0.20 kilogram. The ball arrives at home plate with a speed of 40 m/s and is batted directly back to the pitcher with a return speed of 50 m/s.
A) Find the magnitude of the change in momentum of the baseball?
B) If the bat remains in contact with the ball for 0.12 second, compute the average force of the bat on the ball?