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Back to 1.3 Thermal Expansion

1.3 Exercise 7

Avg difficulty 2.5

Calculate the length of a 1-meter rod of a material with thermal expansion coefficient α\alpha when the temperature is raised from 300 K to 600 K. Taking your answer as the new initial length, find the length after the rod is cooled back down to 300 K. Is your answer 1 meter? Should it be? How can you account for the result you got?

OpenStax University Physics Volume 2, 1.3 Thermal Expansion, exercise 7

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Adapted from University Physics Volume 2 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 2. Imported at revision db44eb9.