A golf ball m = 0.11 kg strikes a vertical concrete wall elastically with a horizontal velocity of v = 23 m/s.  Randomized Variables: m = 0.11 kg v = 23 m/s (a)  Write an expression for the magnitude of the impulse I experienced by the ball.  (b)  If the ball was in contact with the wall for t = .1s, what is the magnitude of the force F the ball experienced in N? (c)  If the ball rebounds with only half the velocity it comes in with, what is the magnitude of the impulse in kg m/s? (d)  Determine the magnitude of the change in kinetic energy in the above situation. Give your answer in joules.

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A: See below

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