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A ball with a radius of 3.6 ?? is rolling without slipping and is launched horizontally...

A ball with a radius of 3.6 ?? is rolling without slipping and is launched horizontally off of a table at 168 ??/ℎ. The ball hits a wall that is 17.2 ? away, 433 ?? below the line it was projected on. The ball has a constant deceleration of 11.5 ???/? 2 during the flight to the wall. Determine, a. The number of revolutions the ball makes during the flight. b. The angular speed when the ball hits the wall.

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