A balsa-wood raft has the following dimensions: L=2.34m , W= 1.35m , H= 0.65m.
A) what is the total mass of the raft?
B) when the raft is placed in sea water, boxes are placed on top of the raft. If the total mass of the boxes is 32kg, how much of the raft is above water?
C) if the mass of an average person is 72.5kg, how many people can the raft safely support?