The swimming pool in Beijing Water cube is 13 metres deep
5/6 meters
That depends on what body of water you are swimming into. In most cases, swimming in a deep river or deep lake can get you drowned in the water because it is so large and unclear. If it is a pool, then it is ok because you can see clearly and a lot of athletics can swim in pools as much as 50 ft deep.
how deep you are in the water.
It derived from the necessity to to survive immersion in water that is to deep to stand in
About 17psi at 1.8m
i found mine in a more than half a metre deep swimming pool
Unless you're in water, knowing how to swim isn't useful. But if you end up in deep water, swimming will suddenly be very, very useful. Your life may even depend on it.
Either you can swim, or you can't. Swimming is done close to the Surface of the water. How deep it is doesn't really matter once you can't touch bottom.
70
They are to inform the swimmer how deep the water is. It is always good to know the depth for safety reasons. It is not a good idea to dive into a 3 foot deep pool.
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Pressure acts on any body of water, but you have to go really deep to notice the force.