Conceptual Physics (12th Edition)

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

Chapter 14 - Think and Discuss: 97

Answer

Your friend is right, because the elephant displaces much more air than a small balloon. However, the large buoyant force won't make the elephant float, because its weight far exceeds that.

Work Step by Step

This is discussed on page 271. (To make an elephant float, you'll need a scoop of vanilla ice cream, some root beer, and of course, an elephant.)
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