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Circular motion problem! help!

  1. Nov 13, 2011 #1
    A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure below. The length of the arc ABC is 265 m, and the car completes the turn in 32.0 s.
    p6-12.gif
    (a) What is the acceleration when the car is at B located at an angle of 35.0°? Express your answer in terms of the unit vectors i hat and j hat .

    (b) Determine the car's average speed.


    m/s

    (c) Determine its average acceleration during the 32.0 s interval.



    Equations

    Ac=v^2/r
     
  2. jcsd
  3. Nov 14, 2011 #2

    BruceW

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    Homework Helper

    You should really try the questions first, before asking for help. That's the rules of this forum..
     
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