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Physics

Draw and describe sound waves that exhibit the Doppler effect

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter17: Physics Of Hearing

Section: Chapter Questions

Problem 5CQ: Is the Doppler shift real or just a sensory illusion?

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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.

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Draw and describe sound waves that exhibit the Doppler effect

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Is the Doppler shift real or just a sensory illusion?
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In which of the following situations is the Doppler effect absent?a. The source and the observer are moving towards each other.b. The observer is moving toward the source.c. The source is moving away from the observer.d. Neither the source nor the observer is moving relative to one another.