Explore BrainMass

Explore BrainMass

    Producing Siren Sound

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    A siren can be 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 2,200 Hz tone. What must be the angular speed (omega) in rad/s of the disk?

    © BrainMass Inc. brainmass.com March 4, 2021, 5:41 pm ad1c9bdddf
    https://brainmass.com/physics/rotation/sound-calculating-angular-speed-rotating-disk-5914

    Solution Preview

    A 2,200 Hz tone will have a period of 1 / 2,200 seconds.
    Each rotation of the disk will be ...

    Solution Summary

    This solution calculates the angular speed of a rotating disk to produce a siren with a 2,200 Hz tone.

    $2.49

    ADVERTISEMENT