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A Cabin Has a 0

Question 13

Multiple Choice

A cabin has a 0.159-m thick wooden floor [k = 0.141 W/(m·C°) ] with an area of 13.4 m².A roaring fire keeps the interior of the cabin at a comfortable 18.0 °C while the air temperature in the crawl space below the cabin is -16.4 °C.What is the rate of heatconduction through the wooden floor?


A) 19 J/s
B) 138 J/s
C) 264 J/s
D) 408 J/s
E) 459 J/s

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