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30-12-2022
Physics

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A pendulum consists of a ball of mass m suspended at the end of a mass less cord of length L as shown. The pendulum is drawn aside through an angle of 60° with the vertical and released. At the low point of its swing, the speed of the pendulum ball is (A) √gL (B) √2gL (C) ½gL (D) gL (E) 2gL

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