What velocity was it released

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Reference no: EM13754650

A stone is thrown upwards from the edge of a clif 20m high. It just misses the cliff on the way down and hits the ground below with a speed of 30m/s.

a. With what velocity was it released?
b. What is its maximum height above the cliff?

c. Plot ?y(t), ?v(t), and ?a(t)

Reference no: EM13754650

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