Odpowiedź :
W=F*s
F=46kg*10m/s^2
s=31m
W= 460N*31m
W=14 260J
P=W/t
P=14 260J/70s
P=204W
dane:
m = 46 kg
h = 31 m
t = 70 s
g = 10 m/s²
P = ?
P = W/t
W = Ep = mgh = 46 kg × 10 m/s² × 31 m = 14 260 J
P = 14260 J/70 s
P ≈ 203,7 W
W=F*s
F=46kg*10m/s^2
s=31m
W= 460N*31m
W=14 260J
P=W/t
P=14 260J/70s
P=204W
dane:
m = 46 kg
h = 31 m
t = 70 s
g = 10 m/s²
P = ?
P = W/t
W = Ep = mgh = 46 kg × 10 m/s² × 31 m = 14 260 J
P = 14260 J/70 s
P ≈ 203,7 W