vectors

Related Questions

• The magnitude of vector $\overrightarrow A ,\,\overrightarrow B $ and $\overrightarrow C $ are respectively 12, 5 and 13 units and $\overrightarrow A + \overrightarrow B = \overrightarrow C $ then the angle between $\overrightarrow A $ and $\overrightarrow B $ 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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• The expression $\left( {\frac{1}{{\sqrt 2 }}\hat i + \frac{1}{{\sqrt 2 }}\hat j} \right)$ is a

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• A force $\overrightarrow {\rm{F}} = 5\hat i + 6\hat j + 4\hat k$ acting on a body, produces a displacement $\overrightarrow {\rm{S}} = 6\hat i - 5\hat k.$Work done by the force is

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• What is the angle between $\overrightarrow P $ and the resultant of $(\overrightarrow P + \overrightarrow Q )$ and $(\overrightarrow P - \overrightarrow Q )$

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