Find the Wavelength of a Train Whistle Heard by a Fixed

question 22

Multiple Choice

Find the wavelength of a train whistle heard by a fixed observer as the train moves toward the observer with a velocity of 50.0 m/s.A wind blows at 5.0 m/s from the observer to the train.The whistle has a natural frequency of 500.0 Hz.

• A)0.55 m
• B)0.77 m
• C)0.75 m
• D)0.57 m

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