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April 20, 2014

Homework Help: physics

Posted by JOHN on Monday, April 9, 2012 at 1:07pm.

A down jacket has a surface area of 0.82 m2 and is filled with a 3.8 cm thick layer of down, which has a thermal conductivity of 6.0 10-6 kcal/(s m C). The coat is worn by a person whose skin temperature is maintained at 27 C. The outer surface of the coat is at -23 C. At what rate is heat conducted through the coat?

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