vectors

Related Questions

• 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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• Two equal forces (P each) act at a point inclined to each other at an angle of 120°. The magnitude of their resultant is

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• A vector is represented by $3\,\hat i + \hat j + 2\,\hat k$. Its length in XY plane is

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• The angle between two vectors $ - 2\hat i + 3\hat j + \hat k$ and $\hat i + 2\hat j - 4\hat k$ is

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• A scooter going due east at 10 ms–1 turns right through an angle of 90°. If the speed of the scooter remains unchanged in taking turn, the change is the velocity of the scooter is

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