A monorail train approaches a platform at a speed of 10.0 m/s while it blows its whistle. A musician with perfect pitch standing on the platform hears the whistle as 'middle C', a frequency of 261 Hz. The sound speed is 331 m/s. There is no wind and the surrounding temperature is 27°C. What is the observed frequency of the whistle when the train is at rest?

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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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A monorail train approaches a platform at a speed of 10.0 m/s while it blows its whistle. A
musician with perfect pitch standing on the platform hears the whistle as 'middle C', a
frequency of 261 Hz. The sound speed is 331 m/s. There is no wind and the surrounding
temperature is 27°C. What is the observed frequency of the whistle when the train is at rest?
Transcribed Image Text:A monorail train approaches a platform at a speed of 10.0 m/s while it blows its whistle. A musician with perfect pitch standing on the platform hears the whistle as 'middle C', a frequency of 261 Hz. The sound speed is 331 m/s. There is no wind and the surrounding temperature is 27°C. What is the observed frequency of the whistle when the train is at rest?
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