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A ball of mass m moving with a velocity ...

A ball of mass m moving with a velocity v undergoes an oblique elastic collision with another ball of the same mass m but at rest. After the collision if the two balls move with the same speeds , the angle between their directions of motion will be:

A

`30^(@)`

B

`60^(@)`

C

`120^(@)`

D

`90^(@)`

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Verified by Experts

The correct Answer is:
D
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