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A disk of mass M(=2 kg) and radius R(=5m...

A disk of mass M(=2 kg) and radius R(=5m) is pivoted at the centre.
The disk liess in the vertical plane and is free to rotate about the pivot (see figure) . A particle of mass m(=1 kg) is on the periphery of the disk as shown in the figure. The time period of small oscillation of the system is [Taking g=`10 m//s^2`]

A

`2pi` sec

B

`pi` sec

C

`4pi` sec

D

`(pi//2)` sec

Text Solution

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The correct Answer is:
A
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