At different heights, atmospheric pressure is different. If a vacuum was created of say 1 cm³, how would i calculate the velocity of air filling it back in. The adjacent layer of air would obviously be faster than the further ones, I want to calculate the one that is touching the vacuum's edges before it collapses.

  • $\begingroup$ how big is the opening? $\endgroup$ – Rick May 26 '19 at 21:36
  • $\begingroup$ @Rick the surface area of the vacuum cube(1 cm³) $\endgroup$ – Hamza Umair May 26 '19 at 21:41

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