A block of wood has a mass of 3.77 kg and a density of 589 kg/m3. It is to be loaded withlead so that it will float in water with 0.70 of its volume immersed. The density of leadis 1.13 multiplied by 104 kg/m3.
a) What mass of lead is needed if the lead is on top of thewood?
kg
b) What mass of lead is needed if the lead is attached below thewood?