University Physics with Modern Physics (14th Edition)

by Young, Hugh D.; Freedman, Roger A.

Published by Pearson

ISBN 10: 0321973615

ISBN 13: 978-0-32197-361-0

Chapter 19 - The First Law of Thermodynamics - Problems - Discussion Questions - Page 639: Q19.14

Answer

See explanation.

Work Step by Step

As you compress the air in the pump, you do work on it, increasing its internal energy and raising the temperature. As you raise the pump handle, the air in the pump expands, decreasing its internal energy and lowering the temperature.

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