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Jun
27
awarded  Critic
Jun
14
comment Surviving under water in air bubble
Right, so if getting rid of the CO2 is the thing that matters, a very crude first approximation would perhaps be to assume that salt water absorbs CO2 as quickly as the human lung-blood-interface, and that the water under the boat is circulated as well as blood is in/near the lungs. An air-water interface of 70 m^2, the surface area of a human lung, sounds entirely achievable for such an air bubble...
Nov
30
answered How far does a trampoline vertically deform based on the mass of the object?
Nov
29
answered Why is Physics so hard?
Nov
25
awarded  Teacher
Nov
25
awarded  Supporter
Nov
25
answered Doppler's effect use