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Beat frequency

  1. Jun 4, 2015 #1
    1. The problem statement, all variables and given/known data
    A cyclist with a bell ringing with a frequency of 659.7 Hz drives towards a wall with a speed of 8.15 ms-1. Just before colliding with the wall the cyclist hears beats, due to the bell itself and the reflection of the sound from the wall. What is the frequency of beats detected by the observer? Assume that the velocity of sound in air is 343 ms-1.



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Jun 4, 2015 #2

    ehild

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  4. Jun 4, 2015 #3
    Ok,thanks
     
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