An athlete is sitting unclothed in a locker room whose dark walls are at a temperature of 15°C. How much heat is lost by
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An athlete is sitting unclothed in a locker room whose dark walls are at a temperature of 15°C. How much heat is lost by
An athlete is sitting unclothed in a locker room whose dark walls are at a temperature of 15°C. How much heat is lost by radiation in 1 hour, assuming a skin temperature of 34°C and ε = 0.70. Take the surface area of the body not in contact with the chair to be 1.5 m2. The Stefan-Boltzmann constant is 5.670 × 10−8Wm−2 K−4.