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Vectors/Trigonometry Notation Problem

  1. Nov 20, 2005 #1
    Hey,

    I have been set this question:

    The instantaneous acceleration of a runner as she rounds the curve on a track is <-1.5 , 0.5> m/s2.What is the magnitude of the acceleration of the runner and what angle does this vector make with respect to the +x axis?

    But I don't really understand what the question is asking for, and what the <-1.5 , 0.5> means...any help?

    Thanks a lot
     
  2. jcsd
  3. Nov 20, 2005 #2

    Fermat

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    I imagine that <-1.5 , 0.5> are the components of her acceleration. i.e. her accln in the x-direction is -1.5 m/s² and in the y-direction, it's 0.5 m/s²


    Does that help ?
     
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