Homework Help: physics please helpp

Posted by maria on Saturday, December 10, 2011 at 5:21pm.

A copper sheet of thickness 2.09 mm is bonded to a steel sheet of thickness 1.35 mm. The outside surface of the copper sheet is held at a temperature of 100.0°C and the steel sheet at 26.3°C.
a) Determine the temperature (in °C) of the copper-steel interface?
b) How much heat is conducted through 1.00 m^2 of the combined sheets per second?
Use the following values:
k_steel=220 W/m.K
k_copper= 386 W/m.K

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