A body of mass 3 kg is under a constant ...

A body of mass `3 kg` is under a constant force which causes a displacement `s` metre in it, given by the relation `s=(1)/(3)t^(2)`, where `t` is in seconds. Work done by the force in 2 seconds is

`8/3 J`

`19/5` J

`5/19` J

`3/8` J

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