Question

If you throw a rock in water it will most probably sink however if you throw a pumive rock in water it will float why does this happen

Answer 1

Answer:

In this case, I knew that rock is denser than water (as long as it’s not pumice, I suppose), so in the boat the rock was displacing its weight, but in the water it was displacing its volume. If rock is denser than water, its weight in water is larger than its volume in rock, so it displaces less water when it’s actually in the water, and the level goes down.

Explanation:

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