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Solved: When people are cold, they often rub their hands
Chapter 7, Problem 12DQ(choose chapter or problem)
QUESTION:
When people are cold, they often rub their hands together to warm them up. How does doing this produce heat? Where did the heat come from?
Questions & Answers
QUESTION:
When people are cold, they often rub their hands together to warm them up. How does doing this produce heat? Where did the heat come from?
ANSWER: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.