The basal metabolic rate is the rate at which energy is produced in the body when a person is at rest. a 71 kg ( 157 lb ) person of height 1.75 m (5.7 ft ) would have a body surface area of approximately 1.90 m².
what is the net amount of heat this person could radiate per second into a room at 19.0 °c (about 66.2 °f) if his skin's surface temperature is 30.0 °c? (at such temperatures, nearly all the heat is infrared radiation, for which the body's emissivity is 1.0, regardless of the amount of pigment.)
Answers: 3
= Stefan-Boltzmann constant = 
= Skin surface temperature = 19°C
= Room temperature = 30°C
= Emissivity = 1
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