1. Sep 26, 2005 #1

   wisdominican

   

   Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 5.0sec, it rotates 25rad. During that time, what are the magnitudes of A) angular acceleration, b)average angular velocity.

    

   wisdominican, Sep 26, 2005
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3. Sep 26, 2005 #2

   Päällikkö

   

   Homework Helper

   https://www.physicsforums.com/showthread.php?t=8128
   https://www.physicsforums.com/showthread.php?t=88596
   
   https://www.physicsforums.com/showthread.php?t=4825
   
   [tex]\alpha _{avg} = \frac{\Delta \omega}{\Delta t},\ v = \omega r[/tex]

    

   Päällikkö, Sep 26, 2005

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