A swimmer resting on a raft notices 12 wave crests pass him in 18 s. The distance between one crest and the next crest is 2.6 m. Find: (a) frequency (b) velocity of the waves? c) period? d) If the temperature of the air where the swimmer rest is 23 degrees Celsius, what is the speed of sound?

A swimmer resting on a raft notices 12 wave crests pass him in 18 s. The distance between one crest and the next crest is 2.6 m. Find: (a) frequency (b) velocity of the waves? c) period? d) If the temperature of the air where the swimmer rest is 23 degrees Celsius, what is the speed of sound?

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Wave Motion

Section: Chapter Questions

Problem 29P

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Concept explainers

Shock Waves

Shock waves are common in continuum mechanics, and their dominance is attributable to the fact that they are stronger (or even less) compressible. Substantial perturbations propagated as sudden dynamic changes of a compressible medium supersonically. Shock waves are all around us in our daily lives. Lightning, earthquakes, volcanic eruptions, and meteorite impact all produce them in nature. Even the earth, which is protected by its magnetic field, generates a shock wave as in solar wind that travels around 20 Earth radiuses. These shock waves might be either constant, linked to the body, or unsteady, i.e., moving around with time. All of the shocks mentioned above can be damaging, so precautions must be taken to reduce their impact.

Question

100%

WAVES AND SOUND:
cycles
seconds
T%3D
fapperent = lactual - Furcel
331 m/s + (0.6 m/s xTemperature)
sound
A swimmer resting on a raft notices 12 wave crests pass him in 18 s. The distance
between one crest and the next crest is 2.6 m.
Find:
(a) frequency
(b) velocity of the waves?
c) period?
d) If the temperature of the air where the swimmer rest is 23 degrees Celsius, what is
the speed of sound?
ditl 一f
を々

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