Two objects of masses 200g and 500g possess velocities 10veci ms^(-1) and 3veci+5vecjms^(-1). respectively. The velocity of their centre of mass in ms^(-1) is

Two objects of masses 200g and 500g possess velocities 10veci ms^(-1)

1.	Two objects of masses 200g and 500g possess velocities 10veci ms^(-1) and 3veci+5vecjms^(-1). respectively. The velocity of their centre of mass in ms^(-1) is
Answer» `5veci-25vecj` `(5)/(7)veci-25vecj` `5veci+(25)/(7)VECJ` `25veci - 5/7 vecj` Answer :C