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Re: [Phys-l] Good Questions



How about this one, that should require only a knowledge of basic mechanics, and the ability to apply it to an everyday observation.

When you walk on a beach, you can often see that the grains of sand are more or less sorted by size, with the larger grains the farthest up the beach and the smaller grains closer to the water. By what mechanism does this sorting take place?

Hugh
--

************************************************************
Hugh Haskell
<mailto:haskell@ncssm.edu>
<mailto:hhaskell@mindspring.com>

(919) 467-7610

When you are arguing with a stupid person, it is a good idea to make sure that
person isn't doing the same thing.
Anonymous