G.8

$${E_{kv} = \frac{1}{2}\rho A U ^3 = \frac{1}{2} \rho \omega d \bigg( \frac{\upsilon h}{d}\bigg)^3 =\rho \bigg(\frac{g^\frac{3}{2}}{\sqrt{d}} \bigg) h^3 \times \frac{\omega}{2}}$$