1.

An impulse ''I'' given to a body changes its velocity from ''v_(1) "to" v_(2)''. The increase in the kinetic energy of the body is given by

Answer»

`I(v_(1)+v_(2))`
`I(v_(1)+v_(2))//2`
`I(v_(1)-v_(2))`
`I(v_(1)-v_(2))//2`

ANSWER :B


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