A river of salty water is flowing with a velocity 2 m/sec. If the density of the water is $1.2\;gm/c.c$, then the kinetic energy of each cubic metre of water is

Question

\[\begin {array} {1 1} (1)\;2.4\;J & \quad (2)\;24\;J \\ (3)\;2.4\;KJ & \quad (4)\;4.8\;KJ \end {array}\]