Question

what is collision and its types?

Answer 1

There are three types of collision.

...Inelastic collision
...Perfectly inelastic collision
...Elastic collision


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Answer 2

and perfectly elastic collision is defined as one in which there is no loss of kinetic energy in the collision and inelastic collision is one in which part of the kinetic energy is changed to some other form of energy in the collision

the example or inelastic collision perfectly inelastic collision elastic collision