Answer:
See attachment for complete answer.
Explanation:
Given that:Suppose that all the dislocations in 2000 mm3 of crystal were somehow removed and linked end to end. Given 1 m =0.0006214 mile, how far (in miles) would this chain extend for dislocation densities of
(a) 103 mm-2 (undeformed metal)
(b) 1010 mm-2 (cold-worked metal)
See attchment for completed solvings