Answer
$51\frac{m}{s}$
Work Step by Step
As $f^{\prime}=(1+\frac{u}{v})f$
$\implies 1.15f=(1+\frac{u}{v})f$
This simplifies to:
$\frac{u}{v}=1.15-1=0.15$
$u=0.15v$
We plug in the known values to obtain:
$u=0.15(343)=51\frac{m}{s}$
Physics Technology Update (4th Edition)
by Walker, James S.
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 493: 51
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