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Impulse problem

  1. Oct 18, 2009 #1
    1. The problem statement, all variables and given/known data

    A thin uniform rod has mass M = 0.31 kg and length L= 0.45 m. It has a pivot at one end and is at rest on a compressed spring as shown in (A). The rod is released from an angle θ1= 57o, and moves through its horizontal position at (B) and up to (C) where it stops with θ2 = 107o, and then falls back down. Friction at the pivot is negligible. Calculate the speed of the CM at (B).

    http://schubert.tmcc.edu/res/msu/physicslib/msuphysicslib/21_Rot3_AngMom_Roll/graphics/prob32a_RodOnSpring.gif

    2. Relevant equations



    3. The attempt at a solution

    Not sure where to start on this one. Thank you for your time and any help provided.
     
    Last edited by a moderator: Apr 24, 2017
  2. jcsd
  3. Oct 19, 2009 #2

    rl.bhat

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    Homework Helper

    Where is the figure? Problem is not clear without that.
     
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