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

`19/5J`

`5/19J`

`3/8J`

`8/3J`

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