Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 34 - Images - Problems - Page 1039: 29d

Answer

$p = 5.0$

Work Step by Step

We can find $p$: $\frac{1}{p}+\frac{1}{i} = \frac{2}{r}$ $\frac{1}{p} = \frac{2}{r}-\frac{1}{i}$ $\frac{1}{p} = \frac{2}{40}-\frac{1}{-4.0}$ $\frac{1}{p} = \frac{4}{20}$ $p = 5.0$
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