vectors

Related Questions

• Vector$\overrightarrow A $ makes equal angles with x, y and z axis. Value of its components (in terms of magnitude of $\overrightarrow A $) will be

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• The position vector of a particle is $\vec r = (a\cos \omega t)\hat i + (a\sin \omega t)\hat j$. The velocity of the particle is

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• A particle moves with a velocity $6\hat i - 4\hat j + 3\hat k\,m/s$under the influence of a constant force $\overrightarrow F = 20\hat i + 15\hat j - 5\hat k\,N.\,$The instantaneous power applied to the particle is

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• A plane is revolving around the earth with a speed of 100 km/hr at a constant height from the surface of earth. The change in the velocity as it travels half circle is

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• If $\overrightarrow A = 2\hat i + 4\hat j - 5\hat k$ the direction of cosines of the vector $\overrightarrow A $ are

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