la= 20cm ro=700kg /m3 G=? Luam acceleratia gravitationala 10N/kg G=m*g Vcub=l*l*l Ro= m supra v Transformam 20 cm in m 20cm=0.2 m V=0.2*0.2*0.2=0.04*0.2=0.008m3 m=ro*v m=700kg/m3 * 0.008 m3 m3 cu m3 se simplifica m=700kg * 0.008 m=5.6 kg sper ca te-am ajutat
