The observed frequency of a train whistle is 517HZ as it approaches a stationary observer and is 421 Hz as it recedes. Find The speed of the train m/s The natural frequency of the whistle Hz Use 340 m/s as the speed of sound in air.

The observed frequency of a train whistle is 517HZ as it approaches a stationary observer and is 421 Hz as it recedes. Find The speed of the train m/s The natural frequency of the whistle Hz Use 340 m/s as the speed of sound in air.

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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Question

The observed frequency of a train whistle is 517HZ as it approaches a stationary observer and is 421 Hz
as it recedes. Find
The speed of the train
m/s
The natural frequency of the whistle
Hz
Use 340 m/s as the speed of sound in air.

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