Question 1 Report
A brass rod is 2m long at a certain temperature. What is the length for a temperature rise of 100K, if the expansivity of brass is 18 x 10-6K-1?
Answer Details
α α = L2−L1L1×Δθ L 2 − L 1 L 1 × Δ θ
18 x 10-6 = L2−22×100 L 2 − 2 2 × 100
L = 2.0036m