vectors

Related Questions

• The vector $\overrightarrow P = a\hat i + a\hat j + 3\hat k$ and $\overrightarrow Q = a\hat i - 2\hat j - \hat k$ are perpendicular to each other. The positive value of a is

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• The vector projection of a vector $3\hat i + 4\hat k$on y-axis is

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• Two equal forces (P each) act at a point inclined to each other at an angle of 120°. The magnitude of their resultant is

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• Unit vector parallel to the resultant of vectors $\vec A = 4\hat i - 3\hat j$and $\vec B = 8\hat i + 8\hat j$will be

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• If $|\vec A \times \vec B| = \sqrt 3 \vec A.\vec B,$ then the value of$|\vec A + \vec B|$ is

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