Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 6 - Applications of the Integral - 6.5 Work and Energy - Exercises - Page 316: 4


$0.64 \mathrm{J}$

Work Step by Step

The work is given by the integral of force through the distance: $$ \int_{0}^{-0.04} 800 x d x=\left.400 x^{2}\right|_{0} ^{-0.04}=0.64 \mathrm{J}. $$
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