Question

two identical particles a and b having velocity 4m/s and 3m/s collides elastically, velocity of b after collision will be?​

Answer 1

Answer:

4m/s

Explanation:

the velocities of both the bodies will be interchanged

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Answer 2

Answer:

The velocity of b will be 4 m/s.

Explanation:

We know that, in elastic collision of two objects having same mass, the velocities before collision are interchanged by the velocities after collision.

Since, before collision particle a is moving with the velocity of 4 m/s. Hence, this will be interchanged with the velocity of b after collision and b will move with a velocity of 4 m/s.

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