A boat loaded with rocks is floating in a swimming pool. If the rocks are thrown into the pool, the water level in the pool, after the rocks have settled to the bottom,
A) rises.
B) falls.
C) stays the same.
D) There is not enough information to answer this question.

Question

Quizplus · Accepted Answer

When the rocks are in the boat, they displace a volume of water equal to their weight. Once the rocks are thrown into the pool, they displace a volume of water equal to their own volume, which is less than the volume displaced when they were in the boat. Therefore, the water level falls.

A Boat Loaded with Rocks Is Floating in a Swimming