Posted by Jessica on Saturday, April 14, 2007 at 10:44am.
A stone was dropped off a cliff and hit the ground with a speed of 160 ft/s. What is the height of the cliff?
Take the free fall acceleration to be 32ft/s^2
h= _______ft?
vfinal^2= 2gh you are given g, and vfinal.
A stone was dropped off a cliff and hit the ground with a speed of 160 ft/s. What is the height of the cliff?
Take the free fall acceleration to be 32ft/s^2
From Vf^2 = Vo^2 + 2gh,
160^2 = 0 + 2(32)h > h = 20 feet.

math  sean, Tuesday, November 26, 2013 at 6:54am
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