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A body of mass 3 kg acted upon by a cons...

A body of mass 3 kg acted upon by a constant force is displaced by 's' meter, given by the relation `s=(1)/(3)t^(2)`, where t is in second. Work done by the force in 2 seconds is

A

`(8)/(3)J`

B

`(19)/(5)J`

C

`(5)/(19)J`

D

`(3)/(8)J`

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