Question #8653

Determine the quantity of heat conducted in thirty minutes through an iron plate 2.0 cm thick and 0.10m^2 in area if the temperatures of the two sides are 0 Degrees Celsius and 20 Degrees Celsius. The coefficient of thermal conductivity of iron is 50.4 J/smC.
(A) 9.1 X 10^6J
(B) 2.3 X 10^6J
(C) 4.1 X 10^6J
(D) 3.3 X 10^6J

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