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Two balls each of mass 'm' are moving wi...

Two balls each of mass `'m'` are moving with same velocity `v` on a smooth surface as shown in figure. If all collisions between the balls and balls with the wall are perfectly elastic, the possible number of collisions between the balls and wall together is

A

1

B

2

C

3

D

Infinity

Text Solution

Verified by Experts

The correct Answer is:
`(3)`
Ball(2) with wall - 1st (Ball 2 rebounds)
Ball 2 with wall 1 -2nd (Both balls rebounds)
Ball 2 with wall 1 -3rd (Ball 2 rebounds)
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Knowledge Check

  • In an elastic collision between smooth balls :

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    The kinetic energy remain constant
    B
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    A
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