Momentum of a particle is increased by 5...

Momentum of a particle is increased by `50%`. By how much percentage kintic energy of particle will increase?

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The correct Answer is:

A, B

`K =(P^(2))/(2m)`
`K' =(p'^2)/(2m)=(1.5p)^(2)/(2m)`
`(2.25)(p^(2))/(2m) =2.25 K`
`:. % `increase `=(K'-K)/K xx 100`
`=125%

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