Homework Help: Physics

Posted by Betty on Monday, June 25, 2012 at 2:49pm.

The average human has a density of 950 kg/m3 after inhaling and 1018 kg/m3 after exhaling.
(a) Without making any swimming movements, what percentage of the human body would be above the surface in the Dead Sea (a lake with a water density of about 1230 kg/m3) in each of these cases?
After Inhaling (%)and After Exhaling (%)

Physics - bobpursley, Monday, June 25, 2012 at 3:33pm
Let V be the volume of the body.

Let v' be the volume of the body displaced.

densitywater*v'=densitybody*V

solve for v'/v

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