Identify the vector quantity among the following
distance
angular momentum
heat
energy
Position of a particle in a rectangular-co-ordinate system is $(3, 2, 5)$. Then its position vector will be
What is unit vector ? Explain.
Which of the following is a scalar 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
State, for each of the following physical quantities, if it is a scalar or a vector : volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency, displacement, angular velocity.