Physics, 08.02.2021 20:30 yariiixox

Two train whistles have identical frequencies of 1.86 102 Hz. When one train is at rest in the station and the other is moving nearby, a commuter standing on the station platform hears beats with a frequency of 8.00 beats/s when the whistles operate together. What are the two possible speeds that the moving train can have

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Two train whistles have identical frequencies of 1.86 102 Hz. When one train is at rest in the stati...