20. Heat and Temperature
Linear Thermal Expansion
1:40 minutes
Problem 17a
Textbook Question
Textbook QuestionSteel 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 -9.0°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 33.0°C?
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