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What Is the Net Power That a Person with Surface

Question 14

Multiple Choice

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 300 K, and he is in a room that is at a temperature of 290 K? The Stefan-Boltzmann constant is 5.67 x 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

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