1. Find the angle between two vectors u = i-2j - 2k and v= 6i + 3j+2k.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 18T
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1. Find the angle between two vectors u = i-2j - 2k and v= 6i +3j + 2k.
2. A particle moves along the space curve r = e costi + e-t sin tj + e-k. Find
the magnitude of the
(a) velocity.
0
(b) acceleration at any time t.
3. Show that V x (r²r) = 0 where r = xi+yj + zk and r = = \r\.
Transcribed Image Text:1. Find the angle between two vectors u = i-2j - 2k and v= 6i +3j + 2k. 2. A particle moves along the space curve r = e costi + e-t sin tj + e-k. Find the magnitude of the (a) velocity. 0 (b) acceleration at any time t. 3. Show that V x (r²r) = 0 where r = xi+yj + zk and r = = \r\.
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