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Homework Help: Hollow sphere rolling momentum

  1. Nov 16, 2011 #1
    1. The problem statement, all variables and given/known data

    An 800 g, 40.0 cm diameter hollow sphere is rolling along at 4 m/s when it comes to a 25 degree incline. Ignoring any friction, how far along the incline does it roll before it stops and reverses its direction?



    2. Relevant equations

    Krolling= 1/2Iw^2 + 1/2Mv^2
    I=2/3MR^2

    3. The attempt at a solution
    Too difficult to type
     
  2. jcsd
  3. Nov 16, 2011 #2

    Delphi51

    User Avatar
    Homework Helper

    It looks like an energy question to me!
     
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