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Magnitude of a vector

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Now Playing:Magnitude of a vector – Example 1a
Examples
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  1. Find the magnitude of the following vectors:
    Magnitude of a vector
    1. p⃗\vec{p}

    2. q⃗\vec{q}

Practice
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Magnitude Of A Vector 3a
Magnitude of a vector
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Notes
Finding the magnitude of a vector is very much the same as determining the length of the hypotenuse of a right triangle – we almost use the exact Pythagorean formula! In this section, we will learn how the horizontal component and the vertical component enable us to algebraically calculate the magnitude of a vector.
Magnitude of a vector
∣∣v⃗∣∣=vx2+vy2|| \vec{v}||=\sqrt{v^2_x+v^2_y}