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August 31, 2015

Homework Help: phisics

Posted by nicolas on Thursday, August 30, 2012 at 11:47pm.

a rock is tossed straight up with a speed of 30m/s. when it returns it falls into a hole 10m deep. what is the rocks velocity as it hits the bottom of the whole? how long would the rock in the air, form the instant it is released until it hits the bottom on the hole

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