Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 14 - Think and Explain: 54

Answer

The density of air in a deep mine is greater than at the surface.

Work Step by Step

Pressure decreases with altitude, so the pressure at the bottom is higher than at the mouth of the mine. According to Boyle’s law, pressure and density are proportional. This is discussed on page 270.
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