PV = (G/g)[Omega]v (v - V)V. (2)
Adding (1) and (2), we get the whole work expended on the water,
neglecting friction:--
W = ½(G/g)[Omega]v (v² - V²).
Encyclopaedia Britannica, 11th Edition, "Husband" to "Hydrolysis" Volume 14, Slice 1 · 第 159 / 207 题