5 A surfboard with a volume of 4.4m' was broken into 2 parts, A and B 0.9 kg 16 m (a) Calculate the density of part A. Express your answer in 2 decimal places. density = kg/m' [2] (b) State the density of part B of the surfboard. Explain your answer. [21 (c) Part B of the surfboard is dropped into a beaker containing ethanol. Ethanol exists as a liquid at room temperature and has a density of 789 kg/m' Will part B of the surfboard sink? Explain [2] -End of Section B