Va rog imi trebuie pe maine
20 punte
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1F
2F
3A
4A
m=Kg
ρ =Kg/m^3
G=N
k=N/m
t=25 min.=1500s
v1=30m/s
x1=v1×t=30m/s×1500s=45.000m=45 Km
v2=20m/s
x2=v2×t=20m/s×1500s=30.000=30 Km