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Max Acceleration of a Car

  1. Jul 1, 2009 #1
    1. The problem statement, all variables and given/known data


    What is the maximum acceleration a car can undergo if the coefficient of static friction between the tires and the ground is 0.30?

    2. Relevant equations
    sigmaFy = Fn-mg = may = 0
    sigmaFx = Fp - Ffr = max = 0
    Ffr = (mew)s * Fn
    Fp = Ffr = (mew)*Fn
    Fp = (mew)s(mg)

    mg is mass times gravity
    * are multiplication
    (mew)s = static friction
    Fn = normal force


    3. The attempt at a solution

    Um...I have no clue how to solve it, any direction to point me in would be helpful. I can't see how to solve it without the mass of the car, or the initial velocity.
     
  2. jcsd
  3. Jul 1, 2009 #2
    Nevermind, it was as simple as multiplying the coefficient by gravity, sorry for the space waster.
     
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