A 9.7-g lead bullet is fired into a fence post. The initial speed ofthe bullet is 720 m>s, and when it comes to rest, half its kineticenergy goes into heating the bullet. How much does the bullet’stemperature increase?

A 9.7-g lead bullet is fired into a fence post. The initial speed ofthe bullet is 720 m>s, and when it comes to rest, half its kineticenergy goes into heating the bullet. How much does the bullet’stemperature increase?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 65P: At high noon, the Sun delivers 1 000 W to each square meter of a blacktop road. If the hot asphalt...

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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, half its kinetic
energy goes into heating the bullet. How much does the bullet’s
temperature increase?

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