Q. The displacement of a body is given by $2s = gt^{2},$ where $g$ is a constant. The velocity of the body at any time $t$ is
A) $gt$
B) $\frac{gt}{2}$
C) $\frac{gt^{2}}{2}$
D) $\frac{gt^{3}}{2}$
Explanation
(a) $s = \frac{1}{2}gt^{2},v = \frac{1}{2}g \times 2t = gt$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.