What is the net power that a person with surface area of 1.20 m2 radiates if his emissivity is 0.895, his skin temperature is 27°C, and he is in a room that is at a temperature of 17°C? (? = 5.67 × 10-8 W/m2 ? K4)

A) 60.3 W
B) 62.6 W
C) 65.7 W
D) 68.4 W
E) 64.8 W


B

Physics & Space Science

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