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#1 2007-11-15 13:36:25

Kurtz
Member
Registered: 2007-10-01
Posts: 27

Conservation of Energy

A worker drives a .500kg spike into a rail tie with a 2.50kg sledgehammer. The hammer hits the spike with a speed of 65.0 m/s. If one-third of the hammer's kenetic energy is converted to the internal energy of the hammer and spike, how much does the total internal energy increase?:/


I am a mathemagician. You ask why? I point up

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#2 2007-11-15 15:10:04

JaneFairfax
Member
Registered: 2007-02-23
Posts: 6,868

Re: Conservation of Energy

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