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September 2, 2014

Homework Help: physics

Posted by Andres on Friday, October 8, 2010 at 11:04pm.

A rock is tossed straight up with a velocity of 34.0 m/s. When it returns, it falls into a hole 17.3 m deep. What is the rock's velocity as it hits the bottom of the hole?
How long is the rock in the air, from the instant it is released until it hits the bottom of the hole?

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