Impulse and average force for a golf ball hit off the tee

[Rapta3]

A golf ball of mass 0.045 kg is hit off the tee at a speed of 42 m/s. The golf club was in contact with the ball for 4.7 10-3 s.
(a) Find the magnitude of the impulse imparted to the golf ball.
N · s
(b) Find the magnitude of the average force exerted on the ball by the golf club.
N

 

[Rapta3]

Anyone??

 

[futb0l]

Impulse = F dt