The New River Gorge bridge in West Virginia is a 518-m-long steel arch. How much

Physics
Tutor: None Selected Time limit: 1 Day

The New River Gorge bridge in West Virginia is a 518-m-long steel arch. How much will its length change between temperature extremes 

−17°C
 and 
31°C?
 
 cm
Jun 19th, 2015

Thank you for the opportunity to help you with your question!

dl = L0 α (t1 - t0)

dl = 518*  7.2x10^-6*(31 - (-17))

dl = 518* 7.2x10^-6 *(48)

dl=17cm

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 19th, 2015

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