On dry land, an athlete weighs 70.2 kg. The same athlete,
Chapter 10, Problem 37(choose chapter or problem)
(II) On dry land, an athlete weighs 70.2 kg. The same athlete, when submerged in a swimming pool and hanging from a scale, has an “apparent weight” of 3.4 kg. Using Example 10–8 as a guide, (a) find the total volume V of the submerged athlete. (b) Assume that when submerged, the athlete’s body contains a residual volume \(V_R = 1.3 \times 10^{-3}\ m^3\) of air (mainly in the lungs). Taking \(V - V_R\) to be the actual volume of the athlete’s body, find the body’s specific gravity, SG. (c) What is the athlete’s percent body fat assuming it is given by the formula (495/SG) - 450?
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