Two bodies of masses 10 kg and 2 kg are ...

Two bodies of masses `10 kg and 2 kg` are moving with velocities `(2 hati - 7 hatj + 3hat k) and (-10 hati + 35 hatj - 3hatk) m//s` respectively. Calculate the velocity of their centre of mass.

`2hati`m/s

`2hatk`m/s

(`2hatj+2hatk`)m/s

(`2hati+2hatj+2hatk`)m/s

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