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A golfer, driving a golf ball off the tee, the ball hits a speed of 38 m / s.?

A golfer, driving a golf ball from the tee, the ball hits a speed of 38 m / s. The mass of the ball is 0.043 kg, and duration of impact with the Golf Club is 3.8 x 10-3 s. (A) What is the change at the time of the ball? (B) Determine the average force exerted on the ball by the club. If someone could help walk me through it would be great. Example that forumla to use.

(A) The change in momentum is the difference between initial and final moments of the golf ball: Ap = p (f) – p (i) = mv (f) – mv (i) = (0.043kg) (38m / s) – 0 = 1.60kg • m / s (b) The force is in the relationship: FΔt = Ap Solved by force (mean) F = Ap / Ap You DELTA.t found in (a). By substitution: F = m • 1.60kg / s / 3.8 x 10-3 s = 420N (rounded) Hope this helps.

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