The magnitude of the vector $|2\hat{i} - \hat{j} - 5\hat{k}|$ is .....

  • A
    $\sqrt{30}$
  • B
    $\sqrt{38}$
  • C
    $\sqrt{42}$
  • D
    $\sqrt{35}$

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Similar Questions

The change in a vector may occur due to .....

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

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The projection of vector $\vec{A}$ on $\vec{B}$ is:

The expression $\left( \frac{1}{\sqrt{2}}\hat{i} + \frac{1}{\sqrt{2}}\hat{j} \right)$ is a

$A$ particle moves from point $P (2, 3, 5)$ to point $Q (3, 4, 5)$. The displacement vector is:

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