SOLUTION: Find the velocity of a stone after it has fallen 100 feet

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Question 1173602: Find the velocity of a stone after it has fallen 100 feet
Answer by ikleyn(52832)   (Show Source): You can put this solution on YOUR website!
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Physicist writes the equation  of conservation energy


     = ,


cancel the mass  "m"  in both sides, and get that required formula


     = 2gh,   or   v = .


Then he substitutes  g = 32 m/s^2,  h = 100 ft,  and get the ANSWER


    v =  =  = 10*8 = 80 ft/s.

Solved.



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