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The coefficient of static friction on an unbanked curve

  1. Nov 10, 2008 #1
    1. The problem statement, all variables and given/known data
    A car traveling at 100 m/s enters an unbanked turn of 400 m radius. The coefficient of static friction between the tires and track is 1.1. The track has both an inner and outer wall. Which statement is correct?


    2. Relevant equations

    v=<square root>coefficientmgr/m

    3. The attempt at a solution

    A. The car will crash into the outer wall.
    B. The car will crash into the inner wall.
    C. The car will stay in the center of the track.
    D. The car will stay in the center of the track if the driver speeds up.
    E. The car would stay in the center of the track if the radius were 200m.




    please help!!!
     
  2. jcsd
  3. Nov 10, 2008 #2

    PhanthomJay

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    you have the right equation; solve it for v and compare it to the given v. What does this imply? Please show some attempt.
     
  4. Nov 10, 2008 #3
    thank you! thats all i needed
     
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