Calculus: Early Transcendentals (2nd Edition)

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: 42

Answer

$W= 26$ $J$

Work Step by Step

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