dg.differential geometry - What is the shape of the perfect coffee cup for heat retention assuming coffee is being drunk at a constant rate? - MathOverflow
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Note: I asked this on Mathematics SE and even though @TheSimpliFire offered a bounty on it, no-one had a good answer Find the optimal shape of a coffee cup for heat retention. Assuming A constant
![](https://i.ytimg.com/vi/NDcpEasRFdk/maxresdefault.jpg)
Related Rate Application Problem in Calculus
Solved 1. Solids soaked with liquid hexane are dried by
![](https://d2vlcm61l7u1fs.cloudfront.net/media%2F251%2F2518bc66-21ed-4b3e-9e26-20477fc71982%2Fphp8Bfz4T.png)
Solved 4. Let's work on this cool problem (Pun intended)
![](https://d2vlcm61l7u1fs.cloudfront.net/media%2Fae0%2Fae025afb-687e-4813-9e66-4942cd169994%2FphpELnzFp.png)
Solved Suppose you have just poured a cup of freshly brewed
![](https://cdn.numerade.com/ask_previews/ab463040-6aa6-453c-84b1-06129b7038b2_large.jpg)
SOLVED: A cup of coffee cools at a rate proportional to the