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Not 5 questions but 5 parts in a problem! PLS use the numbers i have already gotten correct and write your answer neatly and understandable

A useful measure of an individual's physical condition is the fraction of his or her body that consists of fat. This problem describes a simple technique for estimating this fraction by weighing the individual twice, once in air and once submerged in water. In the following, take the acceleration of gravity to be 9.8065m/s2 and carry at least four significant figures throughout. Physical Property Tables A man has body mass mb=97.0kg. If he stands on a scale calibrated to read in newtons, what would the reading be? N If the man then stands on a scale while he is totally submerged in water at 30C (specific gravity =0.996 ) and the scale reads 906.53N, what is the volume of his body (liters)? V= Last saved 16 seconds ago. Saved work will be auto-submitted on the due date. Auto-submission can take up to 10 minutes. What is the density of the man's body? = Suppose the body is divided into fat and nonfat components, and that xf (kilograms of fat / kilogram or total body mass) is the fraction of the total body mass that is fat: xf=mf/mb Prove that xf=f1nf1b1nf1 where b,f, and nf are the average densities of the whole body, the fat component, and the nonfat component, respectively. If the average specific gravity of body fat is 0.90 and that of nonfat tissue is 1.10, what fraction of the man's body consists of fat? The body volume calculated above includes volumes occupied by gas in the digestive tract, sinuses, and lungs. The sum of the first two volumes is roughly 100ml and the volume of the lungs is roughly 1.20 liters. The mass of the gas is negligible. Use this information to improve your estimate of xf.. xf=