A bead is free to slide down on a smooth wire rightly stretched between points and on a vertical circle of radius 10 m. Find the time taken by the bead to reach point , if the bead slides from rest from the highest point on the circle

A bead is free to slide down on a smooth wire rightly stretched between points and on a vertical circle of radius 10 m. Find the time taken by the bead to reach point , if the bead slides from rest from the highest point on the circle

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