Asked by Kristie

Your friend of mass 80 kg can just barely float in freshwater.Calculate her approximate volume.
Answered by Elena
For floating the buoyancy force F has to be equal to m•g

F = M•g = D•V•g, where D is the density of water.
Then m•g = D•V•g
V=m/D=80/1000 = 0.08 m^3
Answered by Anonymous
mkm
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