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An ice skater spins at 3pi" rad s"^(-1) ...

An ice skater spins at `3pi" rad s"^(-1)` with hers arms extended. If her moment of inertia with arms folded is `75%` of that with arms extended, her angular velocity when she fold her arms is

A

`pi rad s^(-1)`

B

`2pi rad s^(-1)`

C

`3 pi rad s^(-1)`

D

`4pi rad s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
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