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Ancient wisdom often sounds like common sense now that it is commomly taught. What is some ancient wisdom that we no longer teach because it was wrong? (lemmy.world)

submitted 1 year ago by TheLadyAugust@lemmy.world to c/asklemmy@lemmy.world

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[-] uriel238@lemmy.blahaj.zone 15 points 1 year ago* (last edited 1 year ago)

What goes up comes back down.

Apply math and the object flies in a parabolic arc (not accounting for air friction and wind)

Launch it high enough and the arc start looking elliptical. Gravitational force looks less like a constant rather is tempered by distance². If the acceleration closes the ellipse without hitting the (circular at this scale) ground, your object is now a satellite in orbit.

Keep accelerating and eventually (a whole lot of acceleration) and special relativity factors affect the trajectory...and mass...and time dilates between the object and observers.

[-] BeatTakeshi@lemmy.world 5 points 1 year ago

Wasn't that rather a reference to the normal / gaussian distribution, that describes many phenomena so well?

[-] uriel238@lemmy.blahaj.zone 2 points 1 year ago

I always thought the phrase was Aristotlean but it seems the internet asserts recent or unknown origins.

this post was submitted on 29 Dec 2023

302 points (96.6% liked)

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