Z1)
W= 600 kJ
t= 10min = 600 s
P=?
P=W/t
P=600000/600
P=6 kW
Z2)
P=30 kW
F=15 kN
W=P*t
W=F*s
P*t=F*s
P/F=s/t
s/t=V
V=P/F
V=30/15
V=2 m/s
Z3)
W=15 kJ
t=2 min = 120 s
P=15000/120
P=125 W
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Z1)
W= 600 kJ
t= 10min = 600 s
P=?
P=W/t
P=600000/600
P=6 kW
Z2)
P=30 kW
F=15 kN
W=P*t
W=F*s
P*t=F*s
P/F=s/t
s/t=V
V=P/F
V=30/15
V=2 m/s
Z3)
W=15 kJ
t=2 min = 120 s
P=W/t
P=15000/120
P=125 W