If you hold a rubber band loosely between two fingers and
Chapter 11, Problem 21CQ(choose chapter or problem)
Problem 21CQ
If you hold a rubber band loosely between two fingers and then stretch it, you can tell by touching it to the sensitive skin of your forehead that stretching the rubber band has increased its temperature. If you then let the rubber band rest against your forehead, it soon returns to its original temperature. What are the sig
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