Physics, 20.09.2020 14:01 kturvey225

A trumpet player on a moving railroad flatcar moves toward a second trumpet player standing alongside the track both play a 490 Hz note. The sound waves heard by a stationary observer between the two players have a beat frequency of 2.0 beats/s. What is the flatcar's speed? Take the speed of sound to be 343 m/s.

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A trumpet player on a moving railroad flatcar moves toward a second trumpet player standing alongsid...