How can we represent vector quantity ?
The angle between vectors $\vec a$ and $\vec b$ is $\frac{\pi }{6}$. The angle between vectors $ - 3\vec a$ and $ 2\vec b$ is
The expression $\left( {\frac{1}{{\sqrt 2 }}\hat i + \frac{1}{{\sqrt 2 }}\hat j} \right)$ is a
Distinguish between Vector quantity and a Scalar quantity.
Find the unit vector of a vector whose co-ordinates are $(8,\, 6)$.