Răspuns:
☕SALUT!☕
Rezolvare:
Fe=k•∆l
Fe=G
G=k•∆l
∆l=G/k=m•g/k
Calcule:
200g=0,2kg
∆l=0,2kg•10N/kg/(100N/m)=2N/(100N/m)=0,02m=
2cm.
