Given vector $\overrightarrow A = 2\hat i + 3\hat j, $ the angle between $\overrightarrow A $and $y-$axis is
${\tan ^{ - 1}}3/2$
${\tan ^{ - 1}}2/3$
${\sin ^{ - 1}}2/3$
${\cos ^{ - 1}}2/3$
A particle is moving with speed $6\,m/s$ along the direction of $\vec A = 2\hat i + 2\hat j - \hat k,$ then its velocity is
How the magnitude of vector quantity is represented ?
Which of the following is a vector
If $\vec P = \vec Q$ then which of the following is NOT correct
Angular momentum is