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April 21, 2014

Homework Help: physics

Posted by lanre on Thursday, July 26, 2012 at 8:20pm.

A 25-g lead bullet is shot with a speed of 240 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.

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