A solid cylinder of mass M =1kg and radius 0.5m is pivoted at its centre and has three particles of mass m=0.1 mounted at its perimeter on the curved surface.The system is initially at rest.Find the angular speed of the cylinder,when it is swung through 900 in anticlockwise direction.
The Attempt at a Solution
According to me it is impossible to find the angular velocity as the time taken to spin it in 900 is not given.So i think that the the question doesn't give complete information.Am i right??
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