An iceberg is floating in the ocean with 10% of its volume extending above the ocean's surface. What can you say about the iceberg?
A) Its weight is less than the water it displaces.
B) It displaces only 90% of its weight in water.
C) As it melts, a smaller fraction of its volume will extend above the surface.
D) Its density is close to but smaller than the density of water.

Question

Quizplus · Accepted Answer

An iceberg floats because it displaces an amount of water equal to its weight. Therefore, if 10% of the iceberg is above water, 90% is below water. This means that the density of the iceberg must be slightly less than the density of water. So, Option D is correct.

An Iceberg Is Floating in the Ocean with 10% of Its