A ball of mass 200 gm is suspended from point a ban inextensible string of length l. Ball is drawn to a side and held at same level a a but at a distance of √3/2l from a
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A ball of mass 1 kg is suspended by an inextensible string 1 m long attached to a point O of a smooth horizontal bar resting on fixed smooth supports A and B. The ball is released from rest from the position when the string makes an angle 30° with the vertical. The mass of the bar is 4 kg. The displacement of bar when ball reaches the other extreme position is
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