Q. $S = A(1 - e^{- Bxt})$, where $S$ is speed and $x$ is displacement. The unit of $B$ is
A) $m^{- 1}s^{- 1}$
B) $m^{- 2}s$
C) $s^{- 2}$
D) $s^{- 1}$
Explanation
$Bxt$ is unitless. $\therefore$ Unit of $B$ is$\ m^{- 1}s^{- 1}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.