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Find the velocity

  1. Nov 17, 2011 #1
    1. The problem statement, all variables and given/known data
    The radius of curvature of a loop-to-loop roller coaster is 12 m. At the top of the loop, the force the force that the seat exerts on a passenger of mass m is 0.4 mg. Find the speed of the roller coaster at the top of the loop.


    2. Relevant equations
    ƩF = Fnet = ma
    ac = v2/r
    Fg = mg


    3. The attempt at a solution
    ??
     
  2. jcsd
  3. Nov 17, 2011 #2

    rock.freak667

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    Homework Helper

    What are the forces acting at the top of the loop? Form an equation for this.
     
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