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A body of mass 2.4 kg is subjected to a ...

A body of mass 2.4 kg is subjected to a force which varies with distance as shown in figure. The body starts from rest at x = 0. Its velocity at x = 9 m is

A

`5sqrt3 m//sec`

B

`20sqrt3 m//sec`

C

`10 m//sec`

D

40 m/sec

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