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Help With Physics Vector Problem

  1. Aug 20, 2011 #1
    1. The problem statement, all variables and given/known data

    Someone bikes 3.7 km due west, and then 6.6 km at 57º west of north. The person continues for an unknown distance in an unknown direction. He ends up 2.3 km at 10º south of east of where he started.
    Find the magnitude and specific direction of the third part of the person's trip.


    2. Relevant equations

    Ax = Acosθ
    Ay = Asinθ
    a2 + b2 = c2
    tanθ = y/x


    3. The attempt at a solution

    kd2838.png



    I have a feeling that something isn't checking out. If someone can take a look over that work and see if I've gone wrong somewhere, that would be great.

    Thanks in advance for the help!
     
  2. jcsd
  3. Aug 20, 2011 #2
    I just did the problem. It is fine.
     
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