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(a) A shirtless rider under a circus tent feels the heat

College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs ISBN: 9781938168000 42

Solution for problem 65PE Chapter 14

College Physics | 1st Edition

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College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs

College Physics | 1st Edition

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Problem 65PE

Problem 65PE

(a) A shirtless rider under a circus tent feels the heat radiating from the sunlit portion of the tent. Calculate the temperature of the tent canvas based on the following information: The shirtless rider’s skin temperature is 34.0ºC and has an emissivity of 0.970. The exposed area of skin is 0.400 m2 . He receives radiation at the rate of 20.0 W—half what you would calculate if the entire region behind him was hot. The rest of the surroundings are at 34.0ºC . (b) Discuss how this situation would change if the sunlit side of the tent was nearly pure white and if the rider was covered by a white tunic.

Step-by-Step Solution:
Step 1 of 3

Solution 65PE

  1. = 48.5°C
  2. A pure white object reflects more of the radiant energy than hits it, so the white tent would prevent more of the sunlight from heating up the inside of the tent.

Step 2 of 3

Chapter 14, Problem 65PE is Solved
Step 3 of 3

Textbook: College Physics
Edition: 1
Author: Paul Peter Urone, Roger Hinrichs
ISBN: 9781938168000

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(a) A shirtless rider under a circus tent feels the heat