A body of mass 10kg moves according to the relation x= t^(2) + 2t^(3). The work done by the force in the fist 2s is

A body of mass 10kg moves according to the relation x= t^(2) + 2t^(3).

1.	A body of mass 10kg moves according to the relation x= t^(2) + 2t^(3). The work done by the force in the fist 2s is
Answer» 7840J 1960J 3920J 4840J Answer :C