Ask Question
5 June, 22:32

The coefficient of linear expansion of steel is 12 * 10-6 K-1. What is the change in length of a 25-m steel bridge span when it undergoes a temperature change of 40 K from winter to Summer?

+5
Answers (1)
  1. 5 June, 23:31
    0
    0.012-m

    Explanation:

    ∆L = α * Lo * (T-To)

    α is the coefficient of linear expansion = 12 * 10-6 K-1

    Lo = Initial length = 25-m

    ∆L = Change in length

    (T-To) = 40 K

    ∆L = 12 * 10-6 * 25 * 40

    ∆L = 0.012-m
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The coefficient of linear expansion of steel is 12 * 10-6 K-1. What is the change in length of a 25-m steel bridge span when it undergoes a ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers