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When people are cold, they often rub their hands together

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 12DQ Chapter 7

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 12DQ

When people are cold, they often rub their hands together to warm up. How does doing this produce heat? Where does the heat come from?

Step-by-Step Solution:

Solution 12DQ Step 1 of 2 : The friction between the hands warms up when the hands are rubbed together. The greater the speed of rubbing, that is the greater amount of friction between two hands resulting in more heat generation.

Step 2 of 2

Chapter 7, Problem 12DQ is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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When people are cold, they often rub their hands together

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