(a) A 145-g baseball travels at 35 m/s toward a baseball player’s bat (the bat is the object of reference) and rebounds in the opposite direction at 40 m/s. Determine the ball’s momentum change (magnitude and direction). (b) A golfer hits a 0.046-kg golf ball that launches from the grass at a speed of 50 m/s. Determine the ball’s change in momentum.
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