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NY152
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Homework Statement
A 69.5 kg man floats in freshwater with 2.95% of his volume above water when his lungs are empty, and 4.75% of his volume above water when his lungs are full. Calculate the volume of air, in liters, that he inhales (this is called his lung capacity). Neglect the weight of air in his lungs.
Homework Equations
d=m/v
freshwater: d=1000 kg/m^3
The Attempt at a Solution
From the given information, there's a 1.8% increase in volume. I'm just not sure where to start given the information above.