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A the hole decreases in diameter (B) the area of the hole expands the same percent as any area of the aluminum

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 72P

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Concept explainers

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.

Question

An annular ring of aluminum is cut from an aluminum sheet as shown. When this ring is heated:
...
A the hole decreases in diameter
B the area of the hole expands the same percent as any area of the aluminum
the area of the hole expands a greater percent than any area of the aluminum
D the aluminum expands outward and the hole remains the same in size

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