Friday
July 25, 2014

Homework Help: Physics

Posted by James on Thursday, July 19, 2012 at 11:36pm.

A 19-g lead bullet is shot with a speed of 340 m/s into a wooden wall. Assuming that 70% of the kinetic energy is absorbed by the bullet as heat (and 30% by the wall), what is the final temperature of the bullet? (Assume the bullet is initially at room temperature of 20C. Use the numerical data found in this table.)

I know the answer is 334 degree C. How do I get this answer?

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