physics - please help
posted by Anonymous .
A golf ball of mass 0.045 kg is hit off the tee at a speed of 48 m/s. The golf club was in contact with the ball for 5.4 10-3 s.
(a) Find the magnitude of the impulse imparted to the golf ball.
(b) Find the magnitude of the average force exerted on the ball by the golf club.