Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 12 - Sound - Problems - Page 354: 5

Answer

a. 0.994 s b. 4.52 s

Work Step by Step

a. For the fish, use the speed of sound in seawater to find the time. $$t=\frac{1550m}{1560m/s}=0.994s$$ b. For the people onboard the boat, use the speed of sound in air to find the time. $$t=\frac{1550m}{343m/s}=4.52s$$
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