Homework Help: science help?

Posted by sam on Saturday, March 9, 2013 at 5:38am.

a)What speed would water have to drop below to deposit a 250μm diameter grain of sediment?................ms^-1

b)What speed would water have to drop below to deposit a 500μm diameter grain of sediment?................ms^-1

science help? - bobpursley, Saturday, March 9, 2013 at 11:15am
This question makes no sense, perhaps you have a diagram or table?

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