Chapter 9, Problem 9.14P

(a) Given
   $\delta =1.2\text{in}\text{.}$ and
   $L=100\text{ft}$ calculate
   $\in$

(b) Given
   $\delta =0.5\text{ft}$ and
   $\in \text{=0}\text{.00030}$ , calculate L.

(c) Given
   $L=1000\text{in}\text{.}$ and
   $\in \text{=0}\text{.00042}$ , calculate
   $\delta$ .