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A wheel of moment of inertia 2 kg m^2 is...

A wheel of moment of inertia `2 kg m^2` is rotating about an axis passing through centre and perpendicular to its plane at a speed `60 rad//s`. Due to friction, it comes to rest in 5 minutes. The angular momentum of the wheel three minutes before it stops rotating is

A

`24 kg m^2//s`

B

`74 kg m^2//s`

C

`72 kg m^2//s`

D

`96 kg m^2//s`

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