Solved: The average rate at which en- Fig. 18-51 71. ergy
Chapter , Problem 72(choose chapter or problem)
The average rate at which en- Fig. 18-51 71. ergy is conducted outward through the ground surface in North America is 54.0 mW/m2, and the average thermal conductivity of the near-surface rocks is 2.50 W/m' K. Assuming a surface temperature of 10.0C, find the temperature at a depth of 35.0 km (near the base of the crust). Ignore the heat generated by the presence of radioactive elements.
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