A body of mass \( (5 \pm 0.5) \, \text{kg} \) is moving with a velocity of \( (20 \pm 0.4) \, \text{m/s} \). Its kinetic energy will be:
\( (500 \pm 0.14) \, J \)
\( (500 \pm 140) \, J \)
\( (1000 \pm 140) \, J \)
\( (1000 \pm 0.14) \, J \)