Question

Ex 4 .........
Cat se poate de explicit

Answer 1

Δl=23,75 cm=0,2375 m

V=l³=5³=125 cm³

ρ=m/V=>m=ρV=0,95*125=118,75 g=0,11875 kg

G=mg=0,11875*10=1,1875 N

Fel=G=kΔl=>k=Fel/Δl=1,1875/0,2375=5 N/m

k=5 N/m