A police siren of frequency is attached to a vibrating platform.The platform and siren oscillate up and down in simple harmonicmotion with amplitude and frequency . (a) Find the maximum andminimum sound frequencies that you would hear at a positiondirectly above the siren. (b) At what point in the motion of theplatform is the maximum frequency heard? The minimum frequency?Explain.
Can you explain part B in details?thank you
