Question

which types of collision ?

Answer 1

Generally, momentum is conserved in all types of collisions. There are fourclasses of collisions based on what happens during the collision and, in particular, what happens to the total kinetic energy of the system. Kinetic energy is smaller, and the objects stick together, after the collision.

Answer 2

hello dude


There are three classes of collisions 
, elastic, inelastic, and completely inelastic.