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A thin metal rod of length 0.5 m is vert...

A thin metal rod of length `0.5 m` is vertically straight on horizontal floor. This rod is falling freely to a side without slipping. The angular velocity of rod when its top end touches the floor is (nearly)

A

`7 rad s"^(-1)`

B

`4.2 " rad s"^(-1)`

C

`3.5 "rad s"^(-1)`

D

`2.1 "rad s"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`Mg 1/2 = 1/2 Iomega^(2)`
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