fund the andle boetimoes neitos A=3↑-89 and B=-4A

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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fund th andle behmaes netos A=3-89 and B=-4ARS
3↑-89 and B=-44-123
Micheel Roger
Transcribed Image Text:fund th andle behmaes netos A=3-89 and B=-4ARS 3↑-89 and B=-44-123 Micheel Roger
Expert Solution
Step 1

The dot product of two vectors is given by

A·B=AB cosθ

Here, θ is an angle between two vectors.

 

Given data:

Vector, A=3 i^-8 j^

Vector, B=-4 i^-12 j^

Here, A1=3 , B1=-4, A2=-8, B2=-12

 

And the magnitude A and B is given by

A=32+-82=8.54

B=-42+-122=12.64

 

 

 

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