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26 Nov 2019
A siren emits sound waves at a frequency f = 500 Hz. As the sirenand a
detector are moving toward each other with a relative speed vrel =90 m/s,
the detector measures a frequency of f' = 650 Hz. Find the speedsof the
source vs and of the detector vd. The speed of sound is 330 m/s.Hint: the
small velocity Doppler shift formula does not work here.
A siren emits sound waves at a frequency f = 500 Hz. As the sirenand a
detector are moving toward each other with a relative speed vrel =90 m/s,
the detector measures a frequency of f' = 650 Hz. Find the speedsof the
source vs and of the detector vd. The speed of sound is 330 m/s.Hint: the
small velocity Doppler shift formula does not work here.
