Answer
$W= 26$ $J$
Work Step by Step
$\textbf{F} = <2,4,1>$
$\textbf{d} = <2-0, 4-0, 6-0> = <2,4,6>$
$W= \textbf{F}\cdot\textbf{d} = (2)(2) + (4)(4) + (1)(6) = 4+ 16 + 6 = 26$ $J$
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: 42
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