The displacement of a body of mass 2 kg varies with time t as S = t^2 + 2t, where S is in m and t is in s. The work done by all the forces acting on the body during the time interval t = 2to t =4 s is

The displacement of a body of mass 2 kg varies with time t as S = t^2

1.	The displacement of a body of mass 2 kg varies with time t as S = t^2 + 2t, where S is in m and t is in s. The work done by all the forces acting on the body during the time interval t = 2to t =4 s is
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