You may have noticed that when you compress the air in a bicycle pump, the body of the
Chapter 15, Problem 5.7(choose chapter or problem)
You may have noticed that when you compress the air in a bicycle pump, the body of the pump gets warmer. (a) Assuming the pump and the air in it comprise the system, what is the sign of w when you compress the air? (b)What is the sign of q for this process? (c) Based on your answers to parts (a) and (b), can you determine the sign of E for compressing the air in the pump? If not,what would you expect for the sign ofE? What is your reasoning? [Section 5.2]
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