Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 14 - Waves and Sound - Problems and Conceptual Exercises - Page 492: 19

Answer

$y=(0.16m)cos(\frac{2\pi}{2.1m}x-\frac{\pi}{0.90s}t)$

Work Step by Step

We know that $y=Acos(\frac{2\pi}{\lambda}x-\frac{2\pi}{T}t)$ We plug in the known values to obtain: $y=(0.16)cos(\frac{2\pi}{2.1}x-\frac{2\pi}{1.8}t)$ $y=(0.16m)cos(\frac{2\pi}{2.1m}x-\frac{\pi}{0.90s}t)$
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