Barefoot
Alice and Bob are staying at a cottage. One sunny morning, Alice decides to put a rug on a floor made of tiles that has been constructed in the middle of a garden. After a few hours, both the rug and the floor acquire the same temperature.
At that instant, Alice and Bob decide to come out. Alice stands barefoot on the rug while Bob stands barefoot on the tiled floor.
Who will be able to stand longer?
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1 solution
Thermal conductivity