Răspuns :
Epg-energia potentiala gravitationala
Epg=mgh=1000Kg*10000N*31m=310 000 000N
viteza = distanta supra timpul
Epg=mgh=1000Kg*10000N*31m=310 000 000N
viteza = distanta supra timpul
Energie potentiala gravitational
Ep=m·g·h=1000kg·10N/kg·31m=310000J
Ep=m·g·h=1000kg·10N/kg·31m=310000J