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Homework Help: Relative velocity of wind

  1. May 17, 2010 #1
    1. The problem statement, all variables and given/known data

    A wind is blowing at 25 km/h from the direction of 270 degrees . Find the magnitude and direction of the velocity of the wind relative to a cyclist travelling at 20 km/h in the direction of 120 degrees .

    2. Relevant equations

    3. The attempt at a solution

    Using the cosine rule , i found the relative velocity to be 12.6 km/h . And the direction is N 37.47 degree .

    Am i correct ?
  2. jcsd
  3. May 17, 2010 #2


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    Science Advisor
    Homework Helper

    Hi thereddevils! :smile:

    (it would help if you showed your full calculations)
    Yes. :smile:
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