A ball falls from height of 19.5 m, hits the floor, and rebounds vertically upward to height of 15.0 m

Question

Question

A ball falls from height of 19.5 m, hits the floor, and rebounds vertically upward to height of 15.0 m. Assume that mall 0.390 kg.

(a) What is the impulse (in kg. m/s) delivered to the ball by the floor?

(b) If the ball is in contact with the floor for 0.0400 seconds, what is the average force (in N) the floor exerts on the ball?

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