# Physics

posted by Emily

A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball, initially at rest, for about 0.0013 s. If the ball has a mass of 55 g and leaves the head of the club with a speed of 1.2 102 ft/s, find the average force exerted on the ball by the club.

1. Elena

F=mv/t

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