SIN Bin: 1990, Problem 3

By Department Faculty

Problem

A polar bear, of mass 1250 kg, sits at rest on a flat-topped chunk of ice floating as shown (right) with its top at water level (bearly submerged??). The density of the ice is 925 kg/m³ and of the water is 1030 kg/³. (It is salt water, silly!)
Calculate the mass of the chunk of ice.
(Answer in kg)

1. 41,700
2. 27,200
3. 15,400
4. 11,000
5. 9,600