Question: Are evenly spaced specific gravity markings on the cylinder of a hydrometer equal distances apart? In other words, is the depth d to which the

Are evenly spaced specific gravity markings on the cylinder of a hydrometer equal distances apart? In other words, is the depth d to which the cylinder is submerged linearly related to the density r of the fluid? To answer this question, assume that the cylinder has radius r and mass m. Find an expression for d in terms of (, r, and m and see if d is a linear function of (?

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