A vertical rod free to rotate about 'O' as shown. It begins to rotate. When it has turned through an angle 'theta'. Its angular velocity 'w' is given as

A vertical rod free to rotate about 'O' as shown. It begins to rotate.

1.	A vertical rod free to rotate about 'O' as shown. It begins to rotate. When it has turned through an angle 'theta'. Its angular velocity 'w' is given as
Answer» `sqrt((6g)/(L))SINTHETA` `sqrt((6g)/(l))sin((theta)/(2))` `sqrt((6g)/(l))"cos"theta/2` `sqrt((6g)/(l))"cos"theta` ANSWER :B