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Question
Suppose you walk into a sauna that has an ambient temperature of $50.0^\circ\textrm{C}$. (a) Calculate the rate of heat transfer to you by radiation given your skin temperature is $37.0^\circ\textrm{C}$, the emissivity of skin is 0.98, and the surface area of your body is $1.50\textrm{ m}^2$. (b) If all other forms of heat transfer are balanced (the net heat transfer is zero), at what rate will your body temperature increase if your mass is 75.0 kg?
1. $138\textrm{ W}$
2. $0.0315 \textrm{ C}^\circ\textrm{/min}$
Solution Video