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A uniform rod of length 2L is placed wi...

A uniform rod of length 2L is placed with one end in contact with the horizontal and is then inclined at an angle a to the horizontal and allowed to fall without slipping at contact point. When it becomes horizontal, its angular velocity will be

A

`omega= sqrt((3g "sin"alpha)/(2L))`

B

`omega= sqrt((2L)/(3 g "sin"alpha))`

C

`omega= sqrt((6g "sin"alpha)/(L))`

D

`omega = sqrt((L)/(g "sin" alpha))`

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