College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 14 - Conceptual Questions - Page 531: 10

Answer

A road has contact with the air on the upper surface but a bridge is surrounded by air.

Work Step by Step

A road has contact with the air on the upper surface but a bridge is surrounded by air. When the air is cold, the bridge will cool down faster than the road, since the ground below the road also takes time to cool down.
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