After perfectly inelastic collision between two identical particles moving with same speed in different directions, the speed of the particles become half the initial speed. The angle between the velocities of the two before collision is:

After perfectly inelastic collision between two identical particles mo

1.	After perfectly inelastic collision between two identical particles moving with same speed in different directions, the speed of the particles become half the initial speed. The angle between the velocities of the two before collision is:
Answer» `60^(@)` `45^(@)` `120^(@)` `30^(@)` ANSWER :C