Question

The human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside of the lungs is 1/21 of an atmosphere. If a diver uses a snorkel for breathing, how far below the water can she swim? Assume the diver is in salt water whose density is 1037 kg/m3.

Answer 1

hey, I did the one about the eardrums.

Answer 2

how can I see the answer?