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As you descend in the water column, the pressure on you increases, due to the weight of the water. More pressure means the muscle power your diaphragm requires increases to the point where you don't have the strength to inflate your lungs -- roughly 2.5-3' of water. Beyond this point, if you need to inflate your lungs, compressed air is required to supplement muscle power.
Anyone who's ever tried to dive in their pool and breathe through a garden hose, has experienced this effect first hand.
What else can I help you with?
Why do airplane need air pressure?
the planes don't need air pressure, the humans inside need oxygen to breath and the air gets thinner the higher you go
Does a smaller basketball need less air pressure than a larger one?
no, pressure is the same , but it will need less volume of air
How is air pressure related to high and low pressure air?
Ido not no I need help with that right now :(
Which of these factors does not need consideration when determining air pressure?
Temperature does not need to be considered when determining air pressure. Air pressure is mainly affected by altitude and atmospheric conditions, such as humidity and weather systems. Temperature can affect air pressure indirectly by influencing density and vertical movement of air masses.
How much air do you need for air to come out of a straw?
You need to create a difference in air pressure between the inside and outside of the straw for air to come out. By sucking on the straw, you create low pressure inside, causing the atmosphere's higher pressure to push the air through the straw and into your mouth.
What factors does not need consideration in determining air pressure?
time
How often do you need to check the air pressure in your car tires?
Owner's manuals usually recommend to check the tires' air pressure weekly.
What 3 things do you need to form a cloud?
you need low air pressure and oxygen and.................
What are three things sounds need?
Air, pressure difference and groove.
Is air temperature related to high and low pressure air?
Ido not no I need help with that right now :(
How is air temperature is related to high- and low-pressure air?
Ido not no I need help with that right now :(
How is earths air pressure different from seas air pressure?
It is different in that the seas don't have air pressure. No air; no air pressure.
