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Two pendulums with identical bobs and le...

Two pendulums with identical bobs and lengths are suspended from a common support such that in rest position, the two bobs are in constact, . One of the bobs is released after being displaced by `10^(@)` so that it collides elastically head - on with the other bob.
(a) Describe the motion of two bobs.
(b) Draw a graph showing variation in energy of either pendulum with time,for `0letle2T` , where `T` is the period of each pendulum.

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