Two balls `A` & `B` of mass `m_(1)` and `m_(2)` are kept on a horizontal smooth surface. A is given a velocity towards `B` so that they perform head on collision
A. If `m_(1)=m_(2)` and collision is elastic. A stops and `B` moves with the velocity of `A` after collision
B. Impulses on `A` and `B` during collision are same in magnitude whether it is elastic or inelastic collision
C. Impulses on `A` and `B` collision are equal in magnitude only if `m_(1)=m_(2)`
D. If `m_(1)gtm_(2)`, though impulses are same in magnitude velocity of `A` is still the same direction.