Two identical particles move towards each other with velocity 2 v and v respectively. The velocity of centre of mass is

Two identical particles move towards each other with velocity 2 v and

1.	Two identical particles move towards each other with velocity 2 v and v respectively. The velocity of centre of mass is
Answer» Solution :GIVEN `m_(1)=m_(2)=m` `V=2v` and `v_(2)=v` `:.v_(CM)=(m_(1)v_(1)+m_(2)v_(2))/(m+m)` `=(2M-MV)/(2m)=(mv)/(2m)` `=v/2`