Question

two balls of equal masses each obliqie collision if collision is perfectly elastic then angle between their velocities after collision is​

Answer 1

Answer:

it will be equal bcoz of law of conservation of momentum

Explanation:

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Answer 2

Answer:

The angle between their components of velocities is 90° & angle between velocity and component each is ∅.

Explanation:

[Refer to the attached image to visualize the scenario]

Initially, brown ball approached towards white ball which was at rest. Since, the collision is oblique and elastic, both move with certain velocities are collision.

Initial velocity was in the x-axis implying that some final velocity must be in the x-axis too. So, we draw a line representing velocity v of the ball in x.

Later, we draw the components considering ∅ with x. We obtain two components as vsin∅ and vcos∅. Here sum of angles between the components will be 2∅ which will give 90°.

So, the angle between their components of velocities is 90° & angle between velocity and component each is ∅.

Hope it helps! ;-))