Sagot :
Explications:
1) ρ = m/Vm.
2) On sait que : ρ = m/V.
3) Ainsi, ici, ρ = = 8 kg.m-3
4)ρ = m/V ⬄ m = ρ x V.
Salut!
Masse volumique :
P = m ÷ v
v = volume
volume de la sphère = (4 × π × r³ ) ÷ 3
Explications:
1) ρ = m/Vm.
2) On sait que : ρ = m/V.
3) Ainsi, ici, ρ = = 8 kg.m-3
4)ρ = m/V ⬄ m = ρ x V.
Salut!
Masse volumique :
P = m ÷ v
v = volume
volume de la sphère = (4 × π × r³ ) ÷ 3