Question

$40kg$ of water flows out of a tap at uniform speed of $5m{s}^{-1}$. Calculate the amount of energy possessed by water.

Answer 1

Energy possessed by water is the kinetic energy due to flow of water.
$E=\frac{M{v}^2}{2}$
M = $40kg$
v = $5m/s$
$E=0.5\ast 40\ast 25$
$E=500J$