Wednesday, January 11, 2012
What is the radiant energy absorbed per second by his head when it is covered with hair?
A person is standing outdoors in the shade where the temperature is 28 degrees C. What is the radiant energy absorbed per second by his head when it is covered with hair? The surface area of the hair (umed to be flat), is 160 cm^2 and its emissivity is 0.85.
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