Q.
An iceberg is floating in ocean. What fraction of its volume is above the water? (Given : density of ice =900kg/m3 and density of ocean water =1030kg/m3 )
412
150
Mechanical Properties of Fluids
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Solution:
Let V be the volume of iceberg and let x be the fraction of volume above water.
Using law of floatation, weight of floating body = weight of liquid displaced by part of the floating body inside the liquid.
Therefore, Vρice g=(1−x)Vρwater g.
Using the value of ρice and ρwater we get x=(13/103).