What Is the Net Power That a Person Loses Through

question 58

Multiple Choice

What is the net power that a person loses through radiation if her surface area is 1.20 m², if her emissivity is 0.895, if her skin temperature is 300 K, and if she is in a room that is at a temperature of 17°C? The Stefan-Boltzmann constant is 5.670 × 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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