Answer
$W = 50$ $J$
Work Step by Step
$\textbf{F} = <4,3,2>$
$\textbf{d} = <8-0, 6-0, 0-0> = <8,6,0>$
$W= \textbf{F}\cdot\textbf{d} = (4)(8) + (3)(6) + (2)(0) = 32 + 18 = 50$ $J$
Calculus: Early Transcendentals (2nd Edition)
by Briggs, Bill L.; Cochran, Lyle; Gillett, Bernard
Published by
Pearson
ISBN 10:
0321947347
ISBN 13:
978-0-32194-734-5
Chapter 11 - Vectors and Vector-Valued Functions - 11.3 Dot Products - 11.3 Exercises - Page 789: 40
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