Physics Web Assign Ch 14 #15

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Two train whistles have identical frequencies of 1.47 102 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?
_____ m/s moving towards the station
_____ m/s moving away from the station
  1. Mike Birkhead
  2. Physics
  3. Webassign
  4. Web Assign
  5. College Physics
  6. MOB University
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