A rod of length l is pivoted about a hor...

A rod of length `l` is pivoted about a horizontal , frictionless pin through one end. The rod is released from ret in a vertical position. Find the velocity of the `CM` of the rod when the rod is inclined at an angle `theta` from the vertical.

`sqrt((gl(1-costheta))/4`

`sqrt((gl(1-sintheta))/4`

`sqrt((3gl(1-sintheta))/4`

`sqrt((3gl(1-costheta))/4`

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