A thin uniform rod of length l and mass ...

A thin uniform rod of length `l` and mass `m` is swinging freely about a horizontal axis passing through its end. Its maximum angular speed is `omega`. Its centre of mass rises to a maximum height of -

`1/3 (l^2omega^2)/g`

`1/6 (lomega)/g`

`1/2 (l^2omega^2)/g`

`1/6 (l^2omega^2)/g`

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