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The co-ordinates of centre of mass of particles of mass 10, 20 and 30 gm are (1, 1, 1) cm.The position co-ordinates of mass 40 gm which when added to the system, the position of combined centre of mass be at (0, 0, 0) are,
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Correct option is B
for 4 particle system m4= 40Similar 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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