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A disc of mass 2 kg and radius 0.2 m is ...

A disc of mass 2 kg and radius 0.2 m is rotating with angular velocity 30 `rad//s` What is angular velocity, if a mass of 0.25 kg put on periphery of the disc ?

A

`24 rad//s`

B

`36 rad//s`

C

`15 rad//s`

D

`26 rad//s`

Text Solution

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The correct Answer is:
A
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