Circular Motion #15

A small particle hangs from a fixed point OO with the help of a light inextensible string of length ll.

The particle is initially at rest, at it lowermost point. Now it is given a horizontal velocity V \mathcal { V } towards right as shown in the figure above. After some time, the particle passes through O O .

If the minimum value of V \mathcal{ V } satisfying the above condition can be written as Agl \sqrt{ A g l } where g g is the gravitational field, find the value of A A to 4 4 significant figures.

Note: Neglect air resistance.

This problem is part of the set - Circular Motion Practice


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