Question

delta l =10 cm g=10N/Kg m=5kg G=?​

Answer 1

$\Delta l=10 cm=0,1 m\\G=mg=5*10=50 N=>G=50N\\G=F_{el}=50 N\\F_{el}=k\Delta l=>k=\frac{F_{el}}{\Delta l}=\frac{50}{0,1}=500 N/m=>k=500 N/m$