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Linear Speed of cylinder

  1. May 15, 2009 #1
    1. The problem statement, all variables and given/known data
    Problem:

    A solid cylinder of mass 3.0 kg and radius 0.2 m starts from rest at the top of a ramp, inclined 15 degrees, and rolls to the bottom without slipping. (I = 0.5MR^2). The upper end of the ramp is 1.2 m higher than the lower end. Find the lindear speed of the cylinder when it reaches the bottom of the ramp.


    2. Relevant equations

    Equations:
    I = 0.5MR^2 = 0.6


    3. The attempt at a solution
    Do I use angular momentum here? Really have no idea. Thanks.
     
  2. jcsd
  3. May 15, 2009 #2

    Cyosis

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    Homework Helper

    Use conservation of energy. What is the kinetic energy of a rigid body that both translates and rotates?
     
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