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Three identical particles each of mass 1 kg are placed with their centres on a straight line. Their centres are marked A, B and C respectively. The distance of centre of mass of the system from A is
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Correct option is B
m1 = m2 = m3 = 1 kgxcm = m1x1+m2x2+m3x3m1+m2+m3=AB+AC3where x1= 0, x2 = AB, x3 = ACSimilar Questions
The mass of a uniform ladder of length 5 m is 20 kg. A person of mass 60 kg stands on the ladder at a height of 2 m from the bottom. The position of centre of mass of the ladder and man from the bottom nearly is
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