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Grade: 11
`        A thin  circular ring of mass M and radius R is rotating about its axis with a constant angular velocity  ѡ. Four objects each of mass m are kept gently to the opposite ends of two perpendicular diameters of the ring.What will be the angular velocity of the ring?`
one year ago

## Answers : (1)

Arun
23523 Points
```							Using conservation of angular momentum initial angular momentum=final angular momentum.MR^2*w = (MR^2 + 2mR^2)w'Mw/(M + 2m) = w'w' is the new angular velocity
```
one year ago
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