Question: A ball rolls off a table and falls 0.75 m to the floor, landing with a speed of 4.0 m/s. (a) What is the acceleration

A ball rolls off a table and falls 0.75 m to the floor, landing with a speed of 4.0 m/s.
(a) What is the acceleration of the ball just before it strikes the ground?
(b) What was the initial speed of the ball?
(c) What initial speed must the ball have if it is to land with a speed of 5.0 m/s?

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