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Homework Help: Average velocity and a runner on a circular track

  1. Sep 17, 2008 #1
    1. The problem statement, all variables and given/known data
    A runner times his speed around a circular track with a circumference of 0.520 mi. At the start he is running toward the east and the track starts bending toward the north. If he goes halfway around, he will be running toward the west. He finds that he has run a distance of 0.668 mi in 5.00 min.

    (b) What is his average velocity?
    _____ m/s at _____° north of east
    2. Relevant equations
    Vav=delta r/delta t

    3. The attempt at a solution
    There was a part A asking for the average speed which I god and it was 3.58m/s but for this one I honestly have no idea. Any help is greatly appreciated!
    Last edited: Sep 17, 2008
  2. jcsd
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