Answer
$d_{av} = 0.23 nm$
Work Step by Step
To find the average distance, use the equation
$d_{avg} = n^{1/3}$
Take $n$ from (b) which is $8.43\times10^{28} m ^{-3}$
So
$d_{avg} = (8.43\times10^{28} m ^{-3})^{1/3}$
$d_{av} = 0.23 nm$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 41 - Conduction of Electricity in Solids - Problems - Page 1273: 16e
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