vectors

Related Questions

• Find the torque of a force $\overrightarrow F = - 3\hat i + \hat j + 5\hat k$ acting at the point $\overrightarrow r = 7\hat i + 3\hat j + \hat k$

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• If $\overrightarrow P .\overrightarrow Q = PQ,$then angle between $\overrightarrow P $and $\overrightarrow Q $ is

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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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• A person goes 10 km north and 20 km east. What will be displacement from initial point

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• If vectors P, Q and R have magnitude 5, 12 and 13 units and $\overrightarrow P + \overrightarrow Q = \overrightarrow R ,$ the angle between Q and R is

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