Conceptual Physics (12th Edition)

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

Chapter 19 - Reading Check Questions (Comprehension): 23

Answer

At the wave speed. Faster than the wave speed.

Work Step by Step

A bug must swim at the wave speed to keep up with the waves it produces. To produce a bow wave, it must swim even faster than that. These ideas are discussed on pages 362 and 367.
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