body of the pump gets warmer
heat releases → q = (-)
You may want to reference (Pages 167 - 172) Section 5.2 while completing this problem.
You may have noticed that when you compress the air in a bicycle pump, the body of the pump gets warmer. Assuming the pump and the air in it comprise the system, what is the sign of q, w, and ΔE when you compress the air?
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