Question

21. Two bodies of masses 3 kg and 2 kg are moving in the same direction with velocities
10 m/s and 5m/s respectively after some time they collide elastically then
1) the velocity of the 3 kg body after collision 6 m/s
2) the velocity of the 2 kg body after collision 11 m/s
3) there is no loss in kinetic energy
4) e = 0 after collision
LEVEL-4 &
JEE MAIN & ADVANCED
Multi Correct Choice Type:​

Answer 1

Answer:

the speed of 3 kg velocity object have a little crash in it's speed