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Angular Speed Between 2 rims attached by a belt

  1. Apr 6, 2010 #1
    So i'm new to the Physics Forums and am looking for some help on this problem:

    Wheel A of radius r=10cm is coupled by belt B to wheel C with radius R=25cm.
    the angular speed of wheel A is increased from rest at a constant rate of 1.6 rad/s^2.
    Find the time needed for wheel C to reach an angular speed of 100 rev/min, assuming the belt does not slip (hint: the linear speeds of the two rims must be equal)

    I get really confused whenever dealing with angular speed so if anyone could help that'd be great!

  2. jcsd
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