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A hoop of radius r and mass m rotating w...

A hoop of radius r and mass m rotating with an angular velocity `omega_0` is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. What will be the velocity of the centre of the hoop when it ceases ot slip?

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`mr^(2)omega_(0)=mvr+mr^(2)xxv/rrArrv=(omega_(0)r)/2`
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