A particle of mass 1 kg has velocity →v1=(2t)^i and another particle of mass 2 kg has velocity →v2=(t2)^j.
Columm IColumn II(a) Net force on centre of mass at 2 s(p) 209 unit(b) Velocity of centre of mass at 2 s(q) √68 unit(c) Displacement of centre of mass at 2 s(r) √803 unit(s) None