The displacement $s$ of a body of mass $3 \,kg$ under the action of a force is given by $s = \frac{t^3}{3}$, where $s$ is in metres and $t$ is in seconds. The work done by the force in the first two seconds is (in $\,J$)

  • A
    $32$
  • B
    $3.8$
  • C
    $5.2$
  • D
    $24$

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