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A Textbook of Chemistry. E-book. Formato PDF
William A. Noyes
edizioni Forgotten Books collana , 2017
To illustrate: we find that if we let go of an object held in the hand it will fall. The first time this is observed it is simply a fact of experience or observation. But a further examination of the relations involved leads to the general statement that any body which is not supported will fall. We may, perhaps, call...