Răspuns:
Δl = 0,2 m
Rezolvare:
k = 500 N/m
F = 100 N
__________
Δl = ?
[tex]\bf\red{\boxed{F=k\times \Delta l}}\\[/tex]
⇒ [tex]\bf\Delta l=\frac{F}{k}\\[/tex]
[tex]\Delta l =\frac{F}{k}=\frac{100}{500}=\frac{1}{5}=\bf0,2\:m\\[/tex]
Succes! ❀
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