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Back to 11.7 Archimedes’ Principle

11.7 Exercise 11

Avg difficulty 2.5

Archimedes’ principle can be used to calculate the density of a fluid as well as that of a solid. Suppose a chunk of iron with a mass of 390.0 g in air is found to have an apparent mass of 350.5 g when completely submerged in an unknown liquid. (a) What mass of fluid does the iron displace? (b) What is the volume of iron, using its density as given in the reference (c) Calculate the fluid’s density and identify it.

OpenStax College Physics 2e, 11.7 Archimedes’ Principle, exercise 11

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.