A conical pendulum, made up of thin uniform rod of length l and mass m, rotates uniformly about a vertical axis, with angular velocity @. The upper end of the rod is hinged. Find the angle $ made by the rod with the vertical.

Fairly simple.

see this:-

http://www.goiit.com/posts/list/mechanics-ans-the-ques-nickles-assured-72381.htm

Why are you giving me a link in which noone has solved the question correctly?

i have given the correction in the forum .....

see it again