/sci/ - Science & Math

>>	Anonymous Wed May 8 14:32:30 2019 No.10626851 [View] File: 315 KB, 1920x1080, moving-optical-illusion-wall-art-optical-illusions-wallpapers-wallpaper-cave_5836dd91c6c7aa14.jpg [View same] [iqdb] [saucenao] [google] >>10625808

>>	Anonymous Sun Jan 6 20:08:27 2019 No.10275215 [View] File: 315 KB, 1920x1080, moving-optical-illusion-wall-art-optical-illusions-wallpapers-wallpaper-cave_5836dd91c6c7aa14.jpg [View same] [iqdb] [saucenao] [google] >>10273711 neat effect anon

In what ways is "infinity" conceptually equivalent to "never?" In what ways is it not? Anonymous Sun Dec 30 18:51:53 2018 No.10255470 [View]
File: 315 KB, 1920x1080, moving-optical-illusion-wall-art-optical-illusions-wallpapers-wallpaper-cave_5836dd91c6c7aa14.jpg [View same] [iqdb] [saucenao] [google]

If I throw a ball upwards with escape velocity when will it fall back down to Earth?

It will never fall back down to Earth.
It will take an infinite time to fall back to Earth.

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/sci/ - Science & Math

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