Q: Transfer of HeatQ3.1 A wall has a thickness of 0.61 m and a thermal conductivity of 2.1 WThe temperature on one face of the wall is 3.2 °C, and 20.0 °C on the opposite faceHow much heat is transferred in one hour through each square meter of the wall?Q3.2 The supergiant star has a surface temperature of about 2900 K and emits a powerof approximately 4 x 1030 W. Assuming that is a perfect emitter and spherical, findits radius. (hint: Area of the sphere is A = 4nr²)

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Answered: Q3.1 A wall has a thickness of 0.61 m…

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Q3.1 A wall has a thickness of 0.61 m and a thermal conductivity of 2.1 W The temperature on one face of the wall is 3.2 °C, and 20.0 °C on the opposite face How much heat is transferred in one hour through each square meter of the wall?