Conceptual Physics (12th Edition)

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

Chapter 28 - Think and Explain: 64

Answer

The smallest window is half the height of the twin.

Work Step by Step

See the diagram. Assuming that each twin is located at an equal distance from the wall, a half-height window will always suffice.
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