Compute what must be the angular speed of the disk

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A siren is made by blowing a jet of air through 20 equally spaced holes in a rotating disk. The time it takes for successive holes to move past the air jet is the period of the sound. The siren is to produce a 2200 Hertz tone. Compute what must be the angular speed ω (in rad/s) of the disk?

Reference no: EM13663336

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