It is about parabolic motion; I have seen resources like the Greek civilizations used it and the Chinese civilizations too, but I can't find what they used it for.

I was thinking about the trajectory of some siege weapons like the catapult and catapult.

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[–] Quack 1 point

The trajectory of a projectile does not follow a perfect parablolic path due to air resistance and the fact that gravitational force changes with height, although the latter is insignificant enough.

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[–] anonymous 1 point
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[–] Mr_trololo 3 points

Can't believe I fell for that

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[–] anonymous 1 point

^_^

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[–] Cicero 2 points
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