Answer
$U=\frac{kd^2}{2}$
Work Step by Step
$d=\sqrt {\frac{2U}{k}}$
Squaring both sides of the equation:
$d^2=\frac{2U}{k}$
$kd^2=2U$
$U=\frac{kd^2}{2}$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - 1.6 - Other Types of Equations - 1.6 Exercises - Page 130: 107
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