Question: A 9.7-g lead bullet is fired into a fence post. The initial speed of the bullet is 720 m/s, and when it comes to rest,

A 9.7-g lead bullet is fired into a fence post. The initial speed of the bullet is 720 m/s, and when it comes to rest, half its kinetic energy goes into heating the bullet. How much does the bullet's temperature increase?

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