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Force acting on a particle moving in a s...

Force acting on a particle moving in a straight line varies with the velocity of the particle v as
`F=(K)/(v)`, where K is a constant. The work done by this force in time t is

A

`frac(K)(v^2) t`

B

`frac(2K)(v^2)t`

C

Kt

D

2Kt

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