A professional golfer is examining a Video of a practice swing. The high-speed footage shows that his club is in contact with the ball (which was initially at rest on the tee) for only At = 0.371 ms, and the radar gun clocks the speed of the ball as v1, = 161 mph after it comes off the club. The golf ball has a mass of m, = 45.9 g. What is the magnitude of the impulse imparted to the ball by the club? . . kg ' In magmtude of the ltl'lplllSCZ S What is the magnitude of the average force of contact between the club and the ball