I hope I convey my point probably, but why do planes go so many thousands of feet in the air? Is it faster that way, or could they achieve similar flight times at a lower altitude?
Does it have something to do with the curvature of the earth?
In: Engineering
They don’t *need* to, but it’s much more efficient if they do. Run 100ft in a line. Then run 100ft in a pool. It’s much harder in the pool because it’s thicker
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