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Required information Imagine a person standing naked in a room at 26.2°C. The walls are well insulated, so they also are at 26.2°C. The person's surface area is 2.20 m², and his basal metabolic rate is 2167 kcal/day. His emissivity is 0.970. If the person's skin temperature were 32.2°C (the same as the internal body temperature), at what net rate would heat be lost through radiation? (Ignore losses by conduction and convection.) |W

Required information Imagine a person standing naked in a room at 26.2°C. The walls are well insulated, so they also are at 26.2°C. The person's surface area is 2.20 m², and his basal metabolic rate is 2167 kcal/day. His emissivity is 0.970. If the person's skin temperature were 32.2°C (the same as the internal body temperature), at what net rate would heat be lost through radiation? (Ignore losses by conduction and convection.) |W

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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### Required Information Imagine a person standing naked in a room at 26.2°C. The walls are well insulated, so they also are at 26.2°C. The person's surface area is 2.20 m², and his basal metabolic rate is 2167 kcal/day. His emissivity is 0.970. --- ### Question If the person's skin temperature were 32.2°C (the same as the internal body temperature), at what net rate would heat be lost through radiation? (Ignore losses by conduction and convection.) --- ### Answer [Provide your answer in watts here] W
Transcribed Image Text:### Required Information Imagine a person standing naked in a room at 26.2°C. The walls are well insulated, so they also are at 26.2°C. The person's surface area is 2.20 m², and his basal metabolic rate is 2167 kcal/day. His emissivity is 0.970. --- ### Question If the person's skin temperature were 32.2°C (the same as the internal body temperature), at what net rate would heat be lost through radiation? (Ignore losses by conduction and convection.) --- ### Answer [Provide your answer in watts here] W
### Required Information Imagine a person standing naked in a room at 26.2°C. The walls are well insulated, so they also are at 26.2°C. The person's surface area is 2.20 m², and his basal metabolic rate is 2167 kcal/day. His emissivity is 0.970. The heat loss is not sustainable—but skin temperature is less than internal body temperature. What will be the skin temperature such that the net heat loss due to radiation is equal to the basal metabolic rate? ____ °C
Transcribed Image Text:### Required Information Imagine a person standing naked in a room at 26.2°C. The walls are well insulated, so they also are at 26.2°C. The person's surface area is 2.20 m², and his basal metabolic rate is 2167 kcal/day. His emissivity is 0.970. The heat loss is not sustainable—but skin temperature is less than internal body temperature. What will be the skin temperature such that the net heat loss due to radiation is equal to the basal metabolic rate? ____ °C
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