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

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

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