Which of the following vectors is NOT perpendicular to vector u -5,2,1] =

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.1: Rectangular Coordinate Systems
Problem 21E
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Which of the following vectors is NOT perpendicular to vector = [-5, 2, 1]
u
?
= [4, 5,8]
None of the given answers are perpendicular
=[-2,-10,10]
V
-
v = [3,7,1]
O = [1,2,1]
V
Transcribed Image Text:Which of the following vectors is NOT perpendicular to vector = [-5, 2, 1] u ? = [4, 5,8] None of the given answers are perpendicular =[-2,-10,10] V - v = [3,7,1] O = [1,2,1] V
given the unit vectors
i = [1,0,0], 3 = [0,1,0], Ê = [0,0,1],
k
5î
None of the given vectors
6î
-6i
- 5î
23 × 3k-
=
If A boat sails North at 20km/h in still water and a current pushes from the south at
10km/h, the resultant velocity of the boat is:
None of the given answers
30 km/h south
30 km/h north
10 km/h south
10 km/h north
Transcribed Image Text:given the unit vectors i = [1,0,0], 3 = [0,1,0], Ê = [0,0,1], k 5î None of the given vectors 6î -6i - 5î 23 × 3k- = If A boat sails North at 20km/h in still water and a current pushes from the south at 10km/h, the resultant velocity of the boat is: None of the given answers 30 km/h south 30 km/h north 10 km/h south 10 km/h north
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