How much time does it take until the book hits the floor

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Reference no: EM131053487

After solving a difficult physics problem, an excited student throws his book straight up. It leaves his hand at 3.9 m/s from 1.5 m above the ground.

(a) How much time does it take until the book hits the floor?

(b) What's its velocity then?

Reference no: EM131053487

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