Fluid Dynamics Of Drag - Pt 1 - Some Curious Experiments

Shows that in a certain range of speeds the drag of a sphere decreases as the speed increases, that at low speed a smooth sphere has less drag than a rough sphere while at high speed it is just the reverse, that streamlining reduces drag in air but increases drag in glycerne.

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  1. 16mm Filmography (legacy record) — title, creator, format, sound, genre, description, catalog record