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A rock with a mass of 540 g in air is found to have an
Chapter 11, Problem 41(choose chapter or problem)
Problem 41PE
A rock with a mass of 540 g in air is found to have an apparent mass of 342 g when submerged in water. (a) What mass of water is displaced? (b) What is the volume of the rock? (c) What is its average density? Is this consistent with the value for granite?
Questions & Answers
QUESTION:
Problem 41PE
A rock with a mass of 540 g in air is found to have an apparent mass of 342 g when submerged in water. (a) What mass of water is displaced? (b) What is the volume of the rock? (c) What is its average density? Is this consistent with the value for granite?
ANSWER:
a.)
Step 1 of 5
The mass of water displaced can be determined by Archimedes principle which states that “ the buoyant force on an object equals the weight of the fluid it displaces”. So, mass of the water displaced equals the apparent mass loss of the rock.