Aflat bottomed boat is 2.5 m long and 1.5 m wide with sides 1.0 m high. it carries 5 people, as it floats on a pond. the total mass of the boat and people is 1400 kg (a) what is the total weight of the boat and people? (b) what is the buoyant force required to keep the boat and people afloat? (c) what volume of water must be displaced to support the boat and its load? (d) how much of the boat is underwater, i. e. what height of the boat must be submerged to produce a volume equal to that of the displaced water?