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Homework Help: Doppler effect question

  1. Oct 1, 2011 #1
    1. The problem statement, all variables and given/known data
    A car stops at 50m to a road-railway junction. A train is moving with a constant velocity 35m/s towards the junction. If the train emits a siren at a frequency of 100Hz, calculate the maximum and the minimum frequency that can be heard by the car driver.

    velocity of sound: 343m/s

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Oct 1, 2011 #2


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    Homework Helper

    Do you know what v, vr, vs, f, fo mean?

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