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Rotational/Tangential Motion Problem

  1. Apr 7, 2008 #1
    1. The problem statement, all variables and given/known data

    A flywheel with a radius of 0.300 m starts from rest and accelerates with a constant angular acceleration of 0.600 rad/s^2.

    a)Compute the magnitude of the tangential acceleration, the radial acceleration, and the resultant acceleration of a point on its rim at the start.
    b)Compute the magnitude of the tangential acceleration, the radial acceleration, and the resultant acceleration of a point on its rim after it has turned through 60.0 degrees.

    2. Relevant equations

    A_tan=alpha*r
    A_resultant=sqrt(A_tan^2+A_rad^2)

    3. The attempt at a solution

    For part a) I used A_tan=alpha*r to get A_tan and A_rad is always the same (given), and for the A_resultant I used A_resultant=sqrt(A_tan^2+A_rad^2)
    I have a feeling that I'm not finding the A_tangential right.
     
  2. jcsd
  3. Apr 7, 2008 #2
    Oh nevermind, I'm sorry, admin you may delete this post, I figured it out.
     
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