Geography, 03.12.2020 03:40 stephanieboyd
Suppose that a piece of polystyrene insulation board has a thermal conductivity of k ... copper has a thermal conductivity of about 400 W / m * K . If you want to make a wall of copper that provides the same insulation as a 4 -cm polystyrene board , how thick does the copper wall have to be ( in meters )?.
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Suppose that a piece of polystyrene insulation board has a thermal conductivity of k ... copper has...
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