A small metal roller has a mass of 8.64 × 10-2 kg and a volume of 3.20 × 10-5 m3^{3}3.
Calculate the density, ρ\rhoρ, of the roller.
Use the equation:
ρ=mV \rho = \frac{m}{V} ρ=VmState the unit.
55 exam-style questions on Edexcel GCSE Physics 14.1 Density and states of matter. Each one has a worked solution and a mark scheme showing where the marks go.