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QUESTION
The brick wall (of thermal conductivity 0.91 W/m*degrees C) of a building has dimensions 2.9 m by 6 m and is 18 cm thick. How much heat flows through...
The brick wall (of thermal conductivity 0.91 W/m*degrees C) of a building has dimensions 2.9 m by 6 m and is 18 cm thick. How much heat flows through the wall in a 6.9 hour period when the average inside and outside temperature are, respectively, 25 degrees C and 2 degrees C? Answer in units of MJ
