The basal metabolic rate is the rate at which energy is produced in the body when a person is at rest. A 75 kg (165 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.)
The basal metabolic rate is the rate at which energy is produced in the body when a person is at rest. A 75 kg (165 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.)
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Transcribed Image Text:The basal metabolic rate is the rate at which energy is produced in the body when a person is
at rest. A 75 kg (165 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.)
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