Steel train rails are laid in 12.0-m-long segments placed end to end. The rails are laid on a winter day when their temperature is -1.85°C. (a) How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 34.3°C? mm (b) If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is 34.3°C? Pa
Steel train rails are laid in 12.0-m-long segments placed end to end. The rails are laid on a winter day when their temperature is -1.85°C. (a) How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 34.3°C? mm (b) If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is 34.3°C? Pa
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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![Steel train rails are laid in 12.0-m-long segments placed end to end. The rails are laid on a winter day when their temperature is -1.85°C.
(a) How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 34.3°C?
mm
(b) If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is 34.3°C?
Pa](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8ab58c2e-b628-4b36-b903-bfe5ab53f1f2%2F2fd0d8bd-ae71-4c92-bbe4-cfe441f7c270%2Fgwxexi_processed.png&w=3840&q=75)
Transcribed Image Text:Steel train rails are laid in 12.0-m-long segments placed end to end. The rails are laid on a winter day when their temperature is -1.85°C.
(a) How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 34.3°C?
mm
(b) If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is 34.3°C?
Pa
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