(Solved): 2.7 A thin strip of rubber has an unstretched length of \( \mathbf{1 5}^{\boldsymbol{\prime}} \). If ...
2.7 A thin strip of rubber has an unstretched length of \( \mathbf{1 5}^{\boldsymbol{\prime}} \). If it is stretched around a pipe having an outer diameter of \( 5^{\prime \prime} \), determine the average normal strain in the strip.