Answer
2.3 m/s
Work Step by Step
The wave speed is given by $v=\lambda f$. The period is 3.0 seconds, so the frequency is $\frac{1}{3}Hz$. The wavelength is 7.0 m.
Solve for $v=\lambda f \approx 2.3 m/s$.
Physics: Principles with Applications (7th Edition)
by Giancoli, Douglas C.
Published by
Pearson
ISBN 10:
0-32162-592-7
ISBN 13:
978-0-32162-592-2
Chapter 11 - Oscillations and Waves - Problems - Page 324: 35
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