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August 30, 2015

Homework Help: physics

Posted by Emily on Monday, February 7, 2011 at 12:50am.

a worker drives a .551 kg spike into a rail tie with a 2.55 kg sledgehammer. The hammer hits the spke with a speed of 62.1 m/s. if one fourth of the hammers kinetic energy is converted to the internal energy of the hammer and soike, how much does the total internal energy increase? answer in units of J.

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