A particle moves along an arbitrary path on a plane surface. If $\vec{v}$ and $\vec{a}$ are the inst

Question

A particle moves along an arbitrary path on a plane surface. If $\vec{v}$ and $\vec{a}$ are the instantaneous velocity and acceleration vectors of the particle, then the instantaneous $\frac{d|\vec{v}|}{d t}$ is

Professor PC Thomas Classes · Answer

The component of acceleration in the direction of velocity vector changes the magnitude of velocity.