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Revolutions of a Sphere on an Incline

  1. Nov 20, 2009 #1
    1. The problem statement, all variables and given/known data
    A sphere of radius 0.19 meters starts from rest at the top of an incline at a height of 7 meters. The angle of the incline is 36 degrees. How many revolutions does the sphere make as it rolls to the end of the incline without slipping?
     
  2. jcsd
  3. Nov 20, 2009 #2

    rock.freak667

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    Homework Helper

    You need to post an attempt. Start by finding the distance the sphere must roll.
     
  4. Nov 21, 2009 #3
    x (length of incline)= 7/ sin 36 = 11.91 m.

    What is the next step please? Do I need to do something with conservation of energy?
     
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