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A uniform disc of mass M object of mass ...

A uniform disc of mass M object of mass M is attached to the rim and raised to the highest point above the centre. The unstable system is then released. The angular speed of the system when the attached object passes directly beneath the pivot is.

A

`sqrt((3R)/(8R))`

B

`sqrt((3g)/(8R))`

C

`sqrt((8R)/(3g))`

D

`sqrt((8g)/(3R))`

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The correct Answer is:
D
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