Question

A pontoon which is being used to conduct some construction work on a pier built into the sea has a mass of 54 tonnes. The pontoon is rectangular in plan and cross section. Its length is 10 m, its width is 5 m and its sides are 2 m high. The density of sea water is 1025 kg/m³.

Determine the depth of immersion of the pontoon (in metres).

Answer 1