document.write( "Question 1173602: Find the velocity of a stone after it has fallen 100 feet \n" ); document.write( "

Algebra.Com's Answer #798836 by ikleyn(52835) $\"\"$ $\"About$

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document.write( "Physicist writes the equation  of conservation energy\r\n" );
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document.write( "     = ,\r\n" );
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document.write( "cancel the mass  \"m\"  in both sides, and get that required formula\r\n" );
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document.write( "     = 2gh,   or   v = .\r\n" );
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document.write( "Then he substitutes  g = 32 m/s^2,  h = 100 ft,  and get the ANSWER\r\n" );
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document.write( "    v =  =  = 10*8 = 80 ft/s.\r\n" );
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