The ball A of mass 4 kg moving with velocity 5 m/s is colliding with another ball B of mass 6 kg. Both the balls are moving in the same direction. Determine the velocity of ball B if both the balls start moving with a common velocity of 8 m/s after collision.
1
5 m/s
2
10 m/s
3
8 m/s
4
12 m/s