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10 questions from this quiz
Unit vectors along x, y, z axes
(325)\begin{pmatrix} 3 \\ 2 \\ 5 \end{pmatrix}325
29\sqrt{29}29
−13-13−13
Angle between the vectors
cosθ=a⋅b∣a∣∣b∣\cos \theta = \frac{\mathbf{a} \cdot \mathbf{b}}{|\mathbf{a}| |\mathbf{b}|}cosθ=∣a∣∣b∣a⋅b
Perpendicular to both
Area of parallelogram formed by vectors
∣a⋅(b×c)∣|\mathbf{a} \cdot (\mathbf{b} \times \mathbf{c})|∣a⋅(b×c)∣
Physics and engineering
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