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Radial and Tengential questions - Help

  1. Sep 15, 2011 #1
    1. The problem statement, all variables and given/known data

    Here, I will just post the question as an image. Never mind the one where I have to sketch, but b and c I am having trouble with.


    How do you calculate the radial and tangential aspects of the cars acceleration? and from that info, how do I calculate the radius?

    2. Relevant equations

    3. The attempt at a solution

    The car is speeding up correct?
  2. jcsd
  3. Sep 15, 2011 #2

    Thanks, much appreciated!
  4. Sep 15, 2011 #3
    I am having trouble knowing how this sketch should look like?
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