When ice on a floating island melts (answer)
Let's take a look!
What kind of experiment is this?
Experimental procedure and explanation:
- The answer is "the height of the water surface does not change".
- If you remove the ice, the floating island will be lifted (virtually) by the amount of the weight of the ice, and a cavity will be created.
- The volume of this cavity is the same as the volume of water, which weighs as much as the ice. The volume of water formed by melting ice is the same, and it can fill the cavity exactly. Therefore, the height of the water surface does not change.
- In the experiment, the nut is attached under the empty can as a weight to prevent the empty can from tilting.
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“The Wonders of Flow,” Japan Society of Mechanical Engineering, Kodansha Blue Backs, P45-46.“Illustrated Fluid Dynamics Trivia,” by Ryozo Ishiwata, Natsume Publishing, P188-189.