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Ice Floating in Water (Posted on 2005-04-21) Difficulty: 3 of 5

You have a cube of ice floating in a glass of water. The question is what fraction of the ice will be above the water line? Assume that the ice is not bobbing.

Most of you have probably heard the answer to this before. But please provide a proof or solution, along with your assumptions.

See The Solution Submitted by np_rt    
Rating: 3.0000 (8 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Sea water is not water | Comment 16 of 31 |
(In reply to Sea water is not water by Jonathan Chang)

You've been very redundant, JC, and I speak for many other people around when I say I strongly disagree with your point of view, and do not appreciate your endless ranting.

In puzzles, and in language in general, people don't feel the need to explain every single ambiguity--it's just too inefficient, and slightly on the absolutely impossible side.  Why bother? Instead, there are conventions that we assume unless otherwise told.

If you just feel you are above making any assumptions, perhaps you shouldn't have to make any.  Find a solution that is a function of all those uncertain factors you've been talking about.  For example,  M could represent the molarity of salt in the water.  Z could represent the type of ice cube (Z=1 if carbon dioxide, Z=2 if hollow ice cube, Z=3 if there are 20 ice cubes, etc.)  Is that too difficult for you?

Edited on April 22, 2005, 1:57 am
  Posted by Tristan on 2005-04-22 01:51:03

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