Find is the rock velocity as it hits the bottom of the hole

Reference no: EM13664145

A rock is tossed straight up with a velocity of 34.5 m/s. When it returns, it falls into a hole 17.1 meter deep.

a) Find is the rock velocity as it hits the bottom of the hole?

b) Find how long is the rock in the air; from the instant it is released until it hits the bottom of the hole?

Reference no: EM13664145

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