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: 40

Answer

$W = 50$ $J$

Work Step by Step

$\textbf{F} = <4,3,2>$ $\textbf{d} = <8-0, 6-0, 0-0> = <8,6,0>$ $W= \textbf{F}\cdot\textbf{d} = (4)(8) + (3)(6) + (2)(0) = 32 + 18 = 50$ $J$
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