Physics (AS & A Level) · May / June 2017 · Paper 11 · Question 14

A metal block has a mass of 750 g. 60% of the mass is magnesium and the remainder is copper. The density of magnesium is 1.7 g cm⁻³. The density of copper is 9.0 g cm⁻³. What is the density of the block?

1. A2.5 g cm⁻³
2. B4.6 g cm⁻³
3. C5.4 g cm⁻³
4. D10.7 g cm⁻³

As printed in the paper