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The figure shows a pendulum of length l ...

The figure shows a pendulum of length l suspended at a distance x vertically above a peg.
(a) The pendulum bob is deflected through an angle `theta` and then released. Find the speed of the bob at the instant
(b) The pendulum is released when `theta = 90^(@)`. For what x (position of peg) will the pendulum complete the circle ?
(c) The pendulum is released when `theta = 60^(@)`. what is the velocity of the bob as it passes position E.

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