A ball with a mass of 275 g is dropped from rest, hits the floor, and rebounds upward. If the



A ball with a mass of 275 g is dropped from rest, hits the floor, and rebounds upward. If the ball hits the floor with a speed of 2.60 ms, and is in contact with the floor for 1.40 ms,determine the following.
(a) magnitude of the change in the ball’s momentum (Let up be in the positive j hat direction.)
_______________kg




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