Physics · Oct / Nov 2016 · Paper 12 · Question 8

The density of gold is 19 g / cm³. A gold coin is 2.0 mm thick. Each face of the coin has an area of 4.5 cm². [diagram of coin with thickness 2.0 mm and area 4.5 cm²] What is the mass of the coin?

1. A2.1 g
2. B17 g
3. C21 g
4. D170 g

As printed in the paper