Question

what is collisions?
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Answer 1

Answer:

Collision, also called impact, in physics, the sudden, forceful coming together in direct contact of two bodies, such as, for example, two billiard balls, a golf club and a ball, a hammer and a nail head, two railroad cars when being coupled together, or a falling object and a floor.

Answer 2

Answer:

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Explanation:

Collision: Momentum is conserved in collision, therefore changed in other forms of energy.

Elastic C.: A collision in which colliding objects rebound; no deformation or generation of heat.

Inelastic C.: The colliding objects become distorted and generates heat during the collision.