A body of mass $(5 \pm 0.5)$ kg is moving with a velocity of $(20 \pm 0.4)$ m s$^{-1}$. Its kinetic energy will be (1) $(1000 \pm 0.14)$ J (2) $(500 \pm 0.14)$ J (3) $(500 \pm 140)$ J (4) $(1000 \pm 140)$ J
A body of mass $(5 \pm 0.5)$ kg is moving with a velocity of $(20 \pm 0.4)$ m s$^{-1}$. Its kinetic energy will be\\
(1) $(1000 \pm 0.14)$ J\\
(2) $(500 \pm 0.14)$ J\\
(3) $(500 \pm 140)$ J\\
(4) $(1000 \pm 140)$ J