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Angular velocity

  1. Jul 30, 2005 #1
    a disk is 8.0 cm in diameter. A reference dot on the edge of the disk is initially located at theta =45 . The disk accelerates steadily for 1/2 second, reaching 2000 rpm, then coasts at steady angular velocity for another 1/2 second. What is the speed of the reference dot at t=1

    ok so you need to use v=omega*radius

    and omega=2000rpm? im not sure if someone could help me out with that i should be able to solve it
     
  2. jcsd
  3. Jul 30, 2005 #2
    Yes, you're right, omega = 2000 rpm. Just convert that into SI.
     
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