A police car is approaching you at 26 m/s while you are at rest. The rest frequency of the siren is 1000 Hz. The speed of sound in air is 343 m/s. What frequency do you observe for the siren as the police car is approaching?

A police car is approaching you at 26 m/s while you are at rest. The rest frequency of the siren is 1000 Hz. The speed of sound in air is 343 m/s. What frequency do you observe for the siren as the police car is approaching?

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 31PE: (a) At an air show a jet flies directly toward the stands at a speed of 1200 km/h, emitting a...

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Question

A police car is approaching you at 26 m/s while you are at rest. The rest frequency of the siren is 1000 Hz. The speed of sound in air is 343 m/s.

What frequency do you observe for the siren as the police car is approaching?

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