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Old 01-21-2019, 02:45 PM   #8
Rupert
 
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Join Date: Aug 2004
Location: Wellington, NZ
Default Re: Mass and air density

Quote:
Originally Posted by fredtheobviouspseudonym View Post
IIRC the density of a human with full lungs approximates 10/11th of water. Hence bodies float (if not high enough in the H20 to avoid drowning.)
It depends on the person - fat people float higher, some very lean people sink even with their lungs full of air. When they fully exhale most people have slightly negative buoyancy, so I'd just assume that people average the same density as water, overall.
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