Motion angular velocity, Physics

A scooterist is racing at a speed of 72 km per hour. If the radius of the wheel is 20 cm, find the angular speed of the wheels.
 
Ans) 72kmph=20m/s

20cm=0.2m;

v=rw

w=v/r

w=20/0.2

=100rad/sec

Posted Date: 3/11/2013 7:36:41 AM | Location : United States







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