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Assuming your skin temperature is 37.2 °C and the

Chapter 16, Problem 51P

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QUESTION:

Problem 51P

Assuming your skin temperature is 37.2 °C and the temperature of your surroundings is 21.8 °C, determine the length of time required for you to radiate away the energy gained by earning a 306-Calorie ice cream cone. Let the emissivity of your skin be 0.915 and its area be 1.22 m2.

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QUESTION:

Problem 51P

Assuming your skin temperature is 37.2 °C and the temperature of your surroundings is 21.8 °C, determine the length of time required for you to radiate away the energy gained by earning a 306-Calorie ice cream cone. Let the emissivity of your skin be 0.915 and its area be 1.22 m2.

ANSWER:

Step 1 of 5

A person, in a cool room, radiates energy at a rate faster than he absorbs energy. This energy can be supplied to the person in the form of calories from an ice cream cone.

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