Thermal Expansion, Change in Temperature

  • Thread starter Sun44
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  • #1
Sun44
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Homework Statement



""If the coefficient of thermal expansion of steel is 1.1 x 10^ -5 ℃^ -1 and a railway rail is 4. 5 m long, how much would the length Δ L of the rail increase by if the temperature changes from -10 ℃ to 30 ℃? ""

Could anyone direct me to a youtube video, or something that could help understand how to work this out and get the answer.

Homework Equations



Im not sure

The Attempt at a Solution


Not sure. Please and thank you for your help.
 

Answers and Replies

  • #2
Doc Al
Mentor
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See: http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/thexp.html" [Broken]
 
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