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April 18, 2014

Homework Help: physics

Posted by ru on Saturday, October 15, 2011 at 1:47pm.

a rock is thrown of a cliff with an horizontal velocity of 55.0 m/sec. it takes the rock 7.0 sec to hit the ground

a) what is the height of the cliff.
b)how far from the foot of the cliff does the rock hit the ground.
c) what is the vertical component of velocity with which its hits the ground.
d) what is the vertical component of velocity with which hits the ground.

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