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 angle between two vectors $ - 2\hat i + 3\hat j + \hat k$ and $\hat i + 2\hat j - 4\hat k$ is

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• A particle is simultaneously acted by two forces equal to 4 N and 3 N. The net force on the particle is

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• Consider two vectors ${\overrightarrow F _1} = 2\hat i + 5\hat k$ and ${\overrightarrow F _2} = 3\hat j + 4\hat k.$ The magnitude of the scalar product of these vectors is

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• Angle between the vectors $(\hat i + \hat j)$ and $(\hat j - \hat k)$ is

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