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t=100s
W=100000kg P=W/t
p=100000/100s
p=1000J
h=30m
t=100s
m=10 0000kg
g=10 m/s²
s=h (droga równa sie wysokości)
Sz:P=?
P=W/t
W=F*h = m*g*h
W = 10 0000kg*10m/s²*30 = 30 000000 J = 30 MJ
P= 30 MJ/100s = 3000 W = 3kW
Odp: Moc wodospadu wynosi 3kW.