A circular disc of mass 4kg and of radiu...

A circular disc of mass `4kg` and of radius `10cm` is rotating about its natural axis at the rate of `5 rad//sec`. Its angular momentum is

A

`0.25 "kgm"^(2)s^(-1)`

B

`0.1 "kgm"^(2)s^(-1)`

C

`2.5"kgm"^(2)s^(-1)`

D

`0.2 "kgm"^(2)s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:

B

`L = Iomega = (mr^(2))/2 xx omega `

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