Question

What is collision ?

Class-X 

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Answer 1

A perfectly elastic collision is defined as one in which there is no loss of kinetic energy in the collision. ... Momentum is conserved in inelastic collisions (as it is for elastic collisions), but one cannot track the kinetic energy through the collision since some of it is converted to other forms of energy.

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Answer 2

Explanation:

collision is a event or phenomena in which there is a simultaneous hitting of two bodies exerts force on each other in a very short interval of time.