A commuter train passes a passenger platform at a constant speed of 40.0 m/s. The train horn is sounded at its characteristic frequency of 320 Hz.(a) What overall change in frequency is detected by a person on the platform as the train moves from approaching to receding? b) What wavelength is detected by a person on the platform as the train approaches?
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A commuter train passes a passenger platform at a constant speed of 40.0 m/s. The train horn is sounded at its characteristic frequency of 320 Hz.
(a) What overall change in frequency is detected by a person on the platform as the train moves from approaching to receding? b) What wavelength is detected by a person on the platform as the train approaches?
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