Consider the two vectors A = 5i - 6j + 2k and B = 31 – 5k -What is the dot product A B ?-2525-45O None of the answers45O-5O-2

Given data: A→ = 5i^ - 6j^ + 2k^B→ = 3i^ - 5k^ Required: The dot product of vector A and vector B

Answered: Consider the two vectors A 5i-6j+ 2k…

Consider the two vectors A 5i-6j+ 2k and B= 3i- 5k. What is the dot product A B ? O -25 O 25 O -45 O None of the answers 45

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter9: Energy In Nonisolated Systems

Section: Chapter Questions

Problem 21PQ

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Question

Consider the two vectors A = 5i - 6j + 2k and B = 31 – 5k -
What is the dot product A B ?
-25
25
-45
O None of the answers
45
O-5
O-2

Expert Solution

Step 1

Given data:

$\vec{A} = 5 \hat{i} - 6 \hat{j} + 2 \hat{k} \vec{B} = 3 \hat{i} - 5 \hat{k}$

Required:

The dot product of vector A and vector B

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Solved in 2 steps

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