Question

Cine mă ajută vă rog frumos​

Answer 1

$G=mg\\G=Fel\\Fel=k\Delta l\\\rho=\frac{m}{V}=>m=\rho*V=1000*3=3000 kg\\ G=mg=3000*10=30000 N\\G=Fel<=>30000=100\Delta l|:100=>\Delta l=300 m$