h=20 m
m=12 kg
t=15 s
g=10 N/kg
P=?
P=L/t
L=F·d
F=G
G=m·g
G=12 kg·10 N/kg
G=120 N
F=120 N
d=h
d=20 m
L=120 N/20 m
L=6 J
P=6 J/15 s
P=0,4 W.
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h=20 m
m=12 kg
t=15 s
g=10 N/kg
P=?
P=L/t
L=F·d
F=G
G=m·g
G=12 kg·10 N/kg
G=120 N
F=120 N
d=h
d=20 m
L=120 N/20 m
L=6 J
P=6 J/15 s
P=0,4 W.