The unit vector along $\hat i + \hat j$ is
$\hat k$
$\hat i + \hat j$
$\frac{{\hat i + \hat j}}{{\sqrt 2 }}$
$\frac{{\hat i + \hat j}}{2}$
Explain position and displacement vectors. How the magnitude of vector quantity is represented ?
Identify the vector quantity among the following
A plane starts its flight in direction $\theta $ with run-way. If the distance covered by it in horizontal and vertical both directions is $600\, m$, then find $\theta $.
If $\vec P = \vec Q$ then which of the following is NOT correct
What is unit vector ? Explain.