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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A system consists of four particles 1, 2, 3 and 4 gram with their co-ordinate respectively at (2, -3, +1), (1, 2, 3), (4, +2, -1) and (2, 2, -1) then the centre of mass of such a system is at co-ordinates of:

Answer: (B)

Solution

, , , so the

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Question ID VK-040344