P=W/t
W=F*s
t=15s
m=200kg
h=30m
F=Q=m*g
F=200kg*10m/s2
F=2000N
W=2000N*30m
W=60000J
P=60000J/15s=4000W=4kW
s=30m
g=10m/s2
F=m*g
P=60000J/15s
P=4000W
P=4kW
odp.
Moc dźwigu wynosi 4kW.
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P=W/t
W=F*s
t=15s
m=200kg
h=30m
F=Q=m*g
F=200kg*10m/s2
F=2000N
W=2000N*30m
W=60000J
P=60000J/15s=4000W=4kW
t=15s
s=30m
m=200kg
g=10m/s2
F=m*g
W=F*s
P=W/t
F=200kg*10m/s2
F=2000N
W=2000N*30m
W=60000J
P=W/t
P=60000J/15s
P=4000W
P=4kW
odp.
Moc dźwigu wynosi 4kW.