Find the Doppler frequency of the reflected wave by the cloud moving 14m/s in the direction of the aircraft when the collision warning system is operated by emitting 12GHz radio waves from the radar of an aircraft cruising at 250km/hr..

Find the Doppler frequency of the reflected wave by the cloud moving 14m/s in the direction of the aircraft when the collision warning system is operated by emitting 12GHz radio waves from the radar of an aircraft cruising at 250km/hr..

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter17: Sound

Section: Chapter Questions

Problem 113P: What frequency is received by a mouse just before being dispatched by a hawk flying at it at 25.0...

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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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