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Frequency stabilization and noise-induced spectral narrowing in resonators with zero dispersion | Nature Communications
![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, 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,](https://database-physics-solutions.com/real/2017/1101/08-74.gif)
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,
![A whistle emitting a sound of frequency 440 Hz is tied to a string of 1.5 m length and rotated with an angular velocity of 20 rad/s in the horizontal plane. Then A whistle emitting a sound of frequency 440 Hz is tied to a string of 1.5 m length and rotated with an angular velocity of 20 rad/s in the horizontal plane. Then](https://sahay.guru/wp-content/uploads/2020/11/267-s-1-1024x999.jpg)
A whistle emitting a sound of frequency 440 Hz is tied to a string of 1.5 m length and rotated with an angular velocity of 20 rad/s in the horizontal plane. Then
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An electric motor of 12 horsepower, generates an angular velocity of 125 rad /s . What will be the frequency of rotation?
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