Question

de la ex 8in jos mă ajutați​

Answer 1

8.

Fel=kΔl=>Δl=Fel/k=25/1000=0,025 m=2,5 cm

9.

Δl=3 cm=0,03 m

Fel=kΔl=200*0,03=6 N

10.

G=Fel=45 N

11.

Fel=kΔl=>k=Fel/Δl=20/2=10 N/m

Fel=kΔl'=>Δl'=Fel/k=20/10=2 m