Conceptual Physics (12th Edition)

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

Chapter 20 - Think and Solve: 34


219 m.

Work Step by Step

The wave speed is frequency multiplied by wavelength. $$v = f \lambda$$ Solve for the wavelength. Wavelength = speed/frequency =$\frac{v}{f} = \frac{1530 m/s}{7 Hz} = 219 m$.
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