Answer
80400
Work Step by Step
$\textbf{F}= 400\hat{i}+50\hat{j}$
$\textbf{d}=(200-(-1))\hat{i}+(1-1)\hat{j}= 201\hat{i}$
$W= \textbf{F}\cdot\textbf{d}=(400\times201)+(50\times0)= 80400$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 9 - Section 9.2 - The Dot Product - 9.2 Exercises - Page 646: 36
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