vectors

Related Questions

• 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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• Let the angle between two nonzero vectors $\overrightarrow A $ and $\overrightarrow B $ be 120° and resultant be $\overrightarrow C $

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• The position of a particle is given by $\overrightarrow r = (\overrightarrow i + 2\overrightarrow j - \overrightarrow k )$ momentum $\overrightarrow P = (3\overrightarrow i + 4\overrightarrow j - 2\overrightarrow k ).$The angular momentum is perpendicular to

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• The position vector of a particle is determined by the expression $\vec r = 3{t^2}\hat i + 4{t^2}\hat j + 7\hat k$. The distance traversed in first 10 sec is

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• While travelling from one station to another, a car travels 75 km North, 60 km North-east and 20 km East. The minimum distance between the two stations is

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