1.

Masses 1 kg, 1.5 kg, 2 kg and M kg are situated at (2,1,1), (1,2,1), (2,-2,1) and (-1,4,3). If their centre of mass is situated at (1,1,3/2), the value of M iss

Answer»

1 kg
2 kg
1.5 kg
3 kg

Answer :C


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