University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 19 - The First Law of Thermodynamics - Problems - Discussion Questions - Page 638: Q19.3


Inflating the balloon at sea level requires more work.

Work Step by Step

This is the case of an expansion against an external pressure. The pressure you are fighting at sea level is higher than atop a mountain, so you do more work in expanding the balloon at sea level.
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