Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.12 - Modeling Variation - 1.12 Exercises - Page 130: 56

Answer

$2.38 \times 10^{22}$ m

Work Step by Step

As per the given problem, we have: $B=\dfrac{kL}{d^2}$ Here, $k$ is defined as constant of proportionality Plug the given data in the above expression, we get $8.2 \times 10^{-16}=(0.080)\dfrac{5.8 \times 10^{30}}{d^2}$ This gives: $d=2.38 \times 10^{22}$ m
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