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Statement of a problem № 3530

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A whistle of frequency 540 Hz rotates in a circle of radius 2 m at an angular speed of 15.0 rad/s. What are the maximum and minimum frequencies heard by a listener, standing at a long distance away at rest from the centre of the circle (sound velocity = 330 m/s).

Solution:
A whistle of frequency 540 Hz rotates in a circle of radius 2 m at an angular sp

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