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

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

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