A steel beam is used in the construction of a skyscraper. By what fraction ΔL/L0 does the length of the beam increase when the temperature changes from that on a cold winter day 4.2°C to that on a summer day 25.7 °C? Assume the linear expansion coefficient is 12x10-6 (C)-1.

A steel beam is used in the construction of a skyscraper. By what fraction ΔL/L0 does the length of the beam increase when the temperature changes from that on a cold winter day 4.2°C to that on a summer day 25.7 °C? Assume the linear expansion coefficient is 12x10-6 (C)-1.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter19: Temperature, Thermal Expansion And Gas Laws

Section: Chapter Questions

Problem 61PQ

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Question

A steel beam is used in the construction of a skyscraper. By what fraction ΔL/L₀ does the length of the beam increase when the temperature changes from that on a cold winter day 4.2°C to that on a summer day 25.7 °C? Assume the linear expansion coefficient is 12x10^-6 (C)^-1.

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