P=2kW=2000W
t=?
m=200kg
h=15
g=10 m/s2
W=Q= m*g
W=200*10 =2000J
E=200*10*15=30 000
t=W/P
t=30 000/2000=15s
Odp: Czas wynosi 15s.
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P=2kW=2000W
t=?
m=200kg
h=15
g=10 m/s2
W=Q= m*g
W=200*10 =2000J
E=200*10*15=30 000
t=W/P
t=30 000/2000=15s
Odp: Czas wynosi 15s.