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?

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 119P: An ambulance with a siren (f=1.00kHz) blaring is approaching an accident scene. The ambulance is...

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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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