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Author: nsharp1
No. Questions: 8
Created: Jan 18, 2021
Last Modified: 4 years ago

3D Vectors

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Let

$vec{u} = 3hat{i} + 2hat{j} - 5\hat{k}$ and

$vec{v} = hat{i} - 4\hat{j} - 7\hat{k}$ .

Grade 12 Vectors

Write vector

$<<u_x, u_y, u_z>>$ .

Grade 12 Vectors

Write vector

$<<v_x, v_y, v_z>>$ .

Grade 12 Vectors

What is the magnitude of

$vec{u} ?$

Grade 12 Vectors

What is the magnitude of

$\vec{v} ?$

Grade 12 Vectors

Calculate

$\vec{u} cdot vec{v}$ .

Grade 12 Vectors

What is the angle,

$vec{u}$ and

$vec{v} ?$ Round the answer to the nearest tenth of a degree.

Grade 12 Vectors

Calculate

$vec{u} xx vec{v}$ .

Grade 12 Vectors

Are

$vec{u}$ and

$vec{v}$ orthogonal, parallel, or neither? Explain your answer.