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3. Concrete sidewalks are always laid in sections, with gaps between each section. For example, the figure shows five identical 5.30-m sections, the outer two of which are against immovable walls. The four identical gaps between the sections are provided so that thermal expansion will not create the thermal stress that could lead to cracks. What is the minimum ɑað width necessary to account for an increase in temperature of 36 °C?

3. Concrete sidewalks are always laid in sections, with gaps between each section. For example, the figure shows five identical 5.30-m sections, the outer two of which are against immovable walls. The four identical gaps between the sections are provided so that thermal expansion will not create the thermal stress that could lead to cracks. What is the minimum ɑað width necessary to account for an increase in temperature of 36 °C?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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sc2368 sc X 0.229 cm 2368 sc2368 sc2368 sc236 2368 s Gap 2368 sc2368 s FL 3682368 2368 sc2368 sc 8
Transcribed Image Text:sc2368 sc X 0.229 cm 2368 sc2368 sc2368 sc236 2368 s Gap 2368 sc2368 s FL 3682368 2368 sc2368 sc 8
3. Concrete sidewalks are always laid in sections, with gaps between each section. For example, the figure shows five identical 5.30-m sections, the outer two of which are against immovable walls. The four identical gaps between the sections are provided so that thermal expansion will not create the thermal stress that could lead to cracks. What is the minimum gap width necessary to account for an increase in temperature of 36 °C?
Transcribed Image Text:3. Concrete sidewalks are always laid in sections, with gaps between each section. For example, the figure shows five identical 5.30-m sections, the outer two of which are against immovable walls. The four identical gaps between the sections are provided so that thermal expansion will not create the thermal stress that could lead to cracks. What is the minimum gap width necessary to account for an increase in temperature of 36 °C?
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