The magnitude of a given vector with end points $ (4, -4, 0)$ and $(-2, -2, 0)$ must be

  • A

    $6$

  • B

    $5\sqrt 2 $

  • C

    $4$

  • D

    $2\sqrt {10} $

Similar Questions

Prove the associative law of vector addition.

Given that $P + Q + R =0$. Which of the following statement is true?

A truck travelling due north at $20 \,m/s $ turns west and travels at the same speed. The change in its velocity be

Figure shows $ABCDEF$ as a regular hexagon. What is the value of $\overrightarrow {AB} + \overrightarrow {AC} + \overrightarrow {AD} + \overrightarrow {AE} + \overrightarrow {AF} $ (in $\overrightarrow {AO} $)

Given that $\overrightarrow A + \overrightarrow B + \overrightarrow C= 0$ out of three vectors two are equal in magnitude and the magnitude of third vector is $\sqrt 2 $ times that of either of the two having equal magnitude. Then the angles between vectors are given by