Answer
$k=0.79m^{-1}$
Work Step by Step
By comparing the equation $y=0.15 sin(0.79x-13t)$ with $y(x,t)=y_m sin(kx-\omega t)$ we obtain:
$k=0.79m^{-1}$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 16 - Waves-I - Problems - Page 476: 64c
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