H(S) = 12m
m = 1000kg
t = 1min = 60s
P = W/t
W = F * S
F = 1000kg * 9,81m/s2 = 9810N
W = 9810N * 12m = 117720J
P = 117720J / 60s = 1962W
P = 1962W = 2kW
odp.: silnik windy ma moc = 2kW
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H(S) = 12m
m = 1000kg
t = 1min = 60s
P = W/t
W = F * S
F = 1000kg * 9,81m/s2 = 9810N
W = 9810N * 12m = 117720J
P = 117720J / 60s = 1962W
P = 1962W = 2kW
odp.: silnik windy ma moc = 2kW