The figure shows a vector a in the xy-plane and a vector b in the direction of k. Their lengths are Ja| = 4 and |b| = 5. (a) Find |a x bl. (b) Use the right-hand rule to decide whether the components of a x b are positive, negative, or 0. ---Select--- X-component ---Select--- y-component ---Select--- z-component

Elementary Linear Algebra (MindTap Course List)
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ISBN:9781305658004
Author:Ron Larson
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Chapter5: Inner Product Spaces
Section5.1: Length And Dot Product In R^n
Problem 17E: Consider the vector v=(1,3,0,4). Find u such that a u has the same direction as v and one-half of...
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The figure shows a vector a in the xy-plane and a vector b in the direction of
k. Their lengths are Ja| = 4 and |b| = 5.
(a) Find |a x bl.
(b) Use the right-hand rule to decide whether the components of a x b
are positive, negative, or 0.
---Select---
X-component
---Select---
y-component
---Select---
z-component
Transcribed Image Text:The figure shows a vector a in the xy-plane and a vector b in the direction of k. Their lengths are Ja| = 4 and |b| = 5. (a) Find |a x bl. (b) Use the right-hand rule to decide whether the components of a x b are positive, negative, or 0. ---Select--- X-component ---Select--- y-component ---Select--- z-component
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