1.

Centre of mass of three particles of masses 1 kg,2 kg and 3 kg lies at the point (1,2,3) and centre of mass of another system of particles 3 kg and 2 kg lies at the point (−1,3,−2). Where should we put a particle of mass 5kg so that the centre of mass of entire system lies at the centre of mass of 1st system?

Answer»

Centre of mass of three particles of masses 1 kg,2 kg and 3 kg lies at the point (1,2,3) and centre of mass of another system of particles 3 kg and 2 kg lies at the point (1,3,2). Where should we put a particle of mass 5kg so that the centre of mass of entire system lies at the centre of mass of 1st system?



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