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3- (10pts) The inner and outer surfaces of a 4.5-m x 7-m brick wall of thickness 30 cm and thermal conductivity 0.68 W/m °C are maintained at temperatures of 24°C and -5°C, respectively. Determine the rate of heat transfer through the wall, in W if the process is steady state and the temperature profile through the wall is linear. Brick 24 °C 5°C 30 cm

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Question: any help is greatly appreciated thanks...

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