Physics
Oscillations Mechanical Waves
A police siren of frequency fsiren is attached to a

A police siren of frequency fsiren is attached to a vibrating platform. The platform and siren oscillate

Question:

A police siren of frequency fsiren is attached to a vibrating platform. The platform and siren oscillate up and down in simple harmonic motion with amplitude Ap and frequency fp.
(a) Find the maximum and minimum sound frequencies that you would hear at a position directly above the siren.
(b) At what point in the motion of the platform is the maximum frequency heard? The minimum frequency? Explain.

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IDENTIFY Apply the Doppler effect formula f In the SHM the source moves tow...View the full answer

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Question Posted: Mar 19, 2010 12:30 AM

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