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Homework Help: Car on icy curve

  1. Sep 28, 2008 #1
    1. The problem statement, all variables and given/known data
    A curve in a highway has radius of curvature 130 m and is banked at 2.7. On a day when the road is icy, what is the safest speed to go around the curve?

    2. Relevant equations

    3. The attempt at a solution

    It seems I would have to know the friction coefficient of rubber on ice, does anyone know where I can find this? Thanks!
  2. jcsd
  3. Sep 28, 2008 #2
    Nevermind, I've figured it out.
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