Chapter 4, Problem 10P

Repeat Prob. 4.9 but for a copper sphere with $\text{radius}=\text{0}\text{.15}\pm \text{0}\text{.01m,}e=\text{0}\text{.90}\pm \text{0}\text{.05,}$ $\text{and }T\text{=550}\pm \text{20}$.