A pontoon with base 3 m by 3 m is floating on a lake. When a man swims out and climbs onto it the pontoon

sinks 1 cm. If 1 L of water weighs 1 kg, what is the weight of the man? (Hint: Archimedes’ principle tells us

that the weight of the man is equal to the weight of water displaced.)

Guest May 21, 2020