Răspuns :
Date:
d=14m
t=20s
m=350kg
Rezolvare:
L=F*d
F=G=mg=350kg*10N/kg=3500N
L=3500N*14m=49000J
P=[tex] \frac{L}{t} [/tex]
P=[tex] \frac{49000J}{20s} [/tex]=2450W
Raspuns:L=49000J;P=2450W
d=14m
t=20s
m=350kg
Rezolvare:
L=F*d
F=G=mg=350kg*10N/kg=3500N
L=3500N*14m=49000J
P=[tex] \frac{L}{t} [/tex]
P=[tex] \frac{49000J}{20s} [/tex]=2450W
Raspuns:L=49000J;P=2450W