3 ms·
That makes quite a lot of sense. Air resistance could be a problem though. I guess if it was a loop, air could travel inside the tube but then you run into fric
by Gravityloss 14y ago
That makes quite a lot of sense. Air resistance could be a problem though. I guess if it was a loop, air could travel inside the tube but then you run into friction problems - it takes a lot of energy to keep the air running.