Answers to homework problems: Chapter 10 part 2. 44) (delta L)/L = alpha * (delta T) = 12 10^-6 * 25 = 0.0003 45) delta L = L * alpha * (delta T) = 20 m * 24 10^-6 * 57 = 0.03 m 51) delta L = L * alpha * (delta T) = 10 m * 12 10^-6 * 70 = 0.0084m 59) delta V = V * beta * (delta T) = 25 galons * 9.5 10^-4 * 10 = 0.2375 galons