# Circular Motion #12

A small bob hangs in the vertical plane from a fixed point using a light inextensible rigid rod of length $$l$$. Let the minimum horizontal velocity that the bob should be given so that it moves in a complete circle be $$v_{min}$$.

If $$v_{min}$$ can be written as $$\sqrt{ A g l}$$ where $$g$$ is the gravitational field, find the value of the constant $$A$$.

Note: Neglect air resistance.

This problem is part of the set - Circular Motion Practice

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