## Conceptual Physics (12th Edition)

Published by Addison-Wesley

# Chapter 16 - Think and Solve: 36

#### Answer

Consider 1.0 kg of granite. Calculate the temperature change in one year. The heat transfer is 0.03 J. $$Q = cm \Delta T$$ $$0.03 J = \frac{800 J}{kg \cdot ^{\circ}C}(1 kg)(\Delta T)$$ $$\Delta T = 0.0000375 C^{\circ}$$ The number of years to go up by 500 degrees is $\frac{500 C^{\circ}}{0.0000375 C^{\circ}/year} = 13.3 \; million \; years$.

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