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Discussion Forum



1)

A billiard ball of mass M, moving with velocity v1  collides with another ball of the same mass but at rest. If the collision is elastic, the angle of divergence  after the collision is 


A) 00

B) 300

C) 900

D) 450

Answer:

Option A

Explanation:

When billiard ball collide  elastically, they will exchange  the kinetic energy, so they may move in a straight path or at any angle