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An impulse vec(I) changes the velocity o...

An impulse `vec(I)` changes the velocity of a particle from `vec(v)_(1)` to `vec(v)_(2)`. Kinetic energy gained by the particle is :-

A

`(1//2)vecI(vec(V_(1))+vec(V_(2)))`

B

`(1//2)vecI(vec(V_(1))-vec(V_(2)))`

C

`vecI(vec(V_(2))-vec(V_(1)))`

D

`vecI(vec(V_(2))+vec(V_(1)))`

Text Solution

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The correct Answer is:
A
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