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Calculating the Velocity at the bottom of a Pendulums Trajectory.

  1. Jan 10, 2012 #1
    1. The problem statement, all variables and given/known data
    I am trying to calculate the velocity of the pendulum at the bottom of the trajectory.
    Mass of the ball - 2.0 kg
    Height - .2 m
    G - 9.8 m/s^2


    2. Relevant equations
    PE = mgh
    He mentioned something about the tangential force, I'm really not sure what I should be doing.

    3. The attempt at a solution
     
  2. jcsd
  3. Jan 11, 2012 #2
    You should be using conservation of energy. Your gravitational potential will be entirely kinetic energy at the bottom of the trajectory.
     
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