h = s = 150 m
V = 4,5 m^3
d = 1000 kg/m^3 ; gęstość wody
g = 9,81 m/s^2 = 10 m/s^2
t = 1 min = 60 s
P = ?
P = W /t
W = Fs
F = mg ale d = m/V to m = d V
F = dVg
W = dVgs
*P = d * V*g s / t
P = 1000 kg/m^3 4,5 m^3 * 10 m/s^2 * 150 m 60 s
P = 6750000 J/60s
P = 112500 W = 112,5kW