If $x=a t+b t^{2}$, where $x$ is the distance travelled by the body in kilometers while $t$ is the t

Question

If $x=a t+b t^{2}$, where $x$ is the distance travelled by the body in kilometers while $t$ is the time in seconds, then the units of $a$ is\

Professor PC Thomas Classes · Answer

Units of $b=\frac{x}{t}=\frac{\mathrm{km}}{\mathrm{s}}$