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A dancer is standing on a stool rotating...

A dancer is standing on a stool rotating about the vertical axis passing through its centre. She pulls her arms towards the body reducing her moment of inertia by factor of n. The new angular speed of turn table is proportional to :

A

n

B

`n^(-1)`

C

`n^@`

D

`n^2`

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The correct Answer is:
A
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