Răspuns :
m=0.975kg
l=5cm=0.05m
V=l×l×l=0.000125m3
P=densitate
P=m/V=0.975kg/0.000125m3
P=7800m/V
m=0.975kg=975g
V=125cm3
P=m/V=975g/125cm3=7.8g/cm3
m=0,975 kg=975 g
V=l³=5³=125 cm³
ρ=m/V=975/125=7,8 g/cm³=7800 kg/m³
m=0.975kg
l=5cm=0.05m
V=l×l×l=0.000125m3
P=densitate
P=m/V=0.975kg/0.000125m3
P=7800m/V
m=0.975kg=975g
V=125cm3
P=m/V=975g/125cm3=7.8g/cm3
m=0,975 kg=975 g
V=l³=5³=125 cm³
ρ=m/V=975/125=7,8 g/cm³=7800 kg/m³