Answer
$d=2.6Km$
Work Step by Step
As $v=\frac{d}{t}$
$d=vt$..........eq(1)
$t=\frac{15}{2}=7.5s$
The speed of sound$v=343\frac{m}{s}$
We plug in the known values in eq(1) to obtain:
$d=(343)(7.5)=2.6\times 10^{3}=2.6Km$
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 17 - Waves-II - Problems - Page 506: 3a
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