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 Δ?=0.771 ms, and the radar gun clocks the speed of the ball as ?b=176 mph after it comes off the club. The golf ball has a mass of ?b=45.9 g. a. What is the magnitude of the impulse imparted to the ball by the club? b. What is the magnitude

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