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A body of mass 'm' moving with velocity...

A body of mass 'm' moving with velocity `v_(1)` along X - axis undergo elastic collision with another body of same mass 'm' moving velocity `v_(2)` along X - axis . The velocity of second body after collision is equal to

A

`v_(1)`

B

`2v_(1)-v_(2)`

C

`v_(2)`

D

0

Text Solution

Verified by Experts

The correct Answer is:
A
`v_(2) = ((2m_(1))/(m_(1)+m_(2)))v_(1)+((m_(2)-m_(1))/(m_(1)+m_(2)))v_(2)`
`m_(1) = m , m_(2) = m `
`:. v_(2) = ((2m)/(2m))v_(1) +((m-m)/(2m))v_(2)`
` :. V_(2) = v_(1) + 0 `
` :. v_(2) = v_(1)`
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