Multiple-Concept Example 8 reviews the approach that is used in problems such as this. A person eats a dessert that contains 180 Calories. (This "Calorie" unit, with a capital C, is the one used by nutritionists; 1 Calorie = 4186 J. See Section 12.7.) The skin temperature of the person is 38 °C and that of her environment is 16 °C. The emissivity of her skin is 0.77 and its surface area is 1.5 m2. How many hours would it take her to emit a net radiant energy from her body that is equal to the energy contained in this dessert? PA figure shows emitted heat T from a person and the heat from the environment T subscript o absorbed by the person.
Multiple-Concept Example 8 reviews the approach that is used in problems such as this. A person eats a dessert that contains 180 Calories. (This "Calorie" unit, with a capital C, is the one used by nutritionists; 1 Calorie = 4186 J. See Section 12.7.) The skin temperature of the person is 38 °C and that of her environment is 16 °C. The emissivity of her skin is 0.77 and its surface area is 1.5 m2. How many hours would it take her to emit a net radiant energy from her body that is equal to the energy contained in this dessert? PA figure shows emitted heat T from a person and the heat from the environment T subscript o absorbed by the person.
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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Transcribed Image Text:Multiple-Concept Example 8 reviews the approach that is used in problems such as this. A person eats a dessert that contains 180
Calories. (This "Calorie" unit, with a capital C, is the one used by nutritionists; 1 Calorie = 4186 J. See Section 12.7.) The skin
temperature of the person is 38 °C and that of her environment is 16 °C. The emissivity of her skin is 0.77 and its surface area is 1.5 m2.
How many hours would it take her to emit a net radiant energy from her body that is equal to the energy contained in this dessert?
PA figure shows emitted heat T from a person and the heat from the environment T subscript o absorbed by the person.
Number
i
Units
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