What is the net flow rate of energy

Reference no: EM13240463

(a) How much power is radiated by a tungsten sphere (emissivity ? = 0.35) of radius 25 cm at a temperature of 25°C?

(b) If the sphere is enclosed in a room whose walls are kept at -5°C, what is the net flow rate of energy out of the sphere?

Reference no: EM13240463

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