vectors

Related Questions

• If the sum of two unit vectors is a unit vector, then magnitude of difference is

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• The resultant of two vectors $\overrightarrow P $ and $\overrightarrow Q $ is $\overrightarrow R .$ If Q is doubled, the new resultant is perpendicular to P. Then R equals

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• Two forces, each of magnitude F have a resultant of the same magnitude F. The angle between the two forces is

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• A force $\overrightarrow F = (5\hat i + 3\hat j)$Newton is applied over a particle which displaces it from its origin to the point $\overrightarrow r = (2\hat i - 1\hat j)$ metres. The work done on the particle is

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

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