Question

m=4t, Constanta Elastica - 400N/m G=? Delta l=?

Answer 1

$m=4t=4000 kg\\G=mg=4000*10=40000 N=40kN\\G=40 kN\\G=F_{el}=40 kN\\F_{el}=k\Delta l=>\Delta l=\frac{F_{el}}{k}=\frac{40000}{400}= 100 m$