A student strips off his night clothes in preparation for dressing for school. While standing naked near his dresser, his skin temperatures is 33 degrees Celsius. How much energy does he radiate into the environment per second? Assume that his skin has a surface area of 2.1 m2 and the emissivity of his skin is 0.97.

The student also absorbs radiation from the environment. When that is taken into consideration, the net radiative power loss (emitted radiative power - absorbed power) is 218 W. What is the temperature of the environment in degrees Celcius?

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