Q. A person travels along a straight road for the first half time with a velocity $v_{1}$ and the next half time with a velocity $v_{2}$ The mean velocity $V$ of the man is
A) $\frac{2}{V} = \frac{1}{v_{1}} + \frac{1}{v_{2}}$
B) $V = \frac{v_{1} + v_{2}}{2}$
C) $V = \sqrt{v_{1}v_{2}}$
D) $V = \sqrt{\frac{v_{1}}{v_{2}}}$
Explanation
The correct answer is Option B: $V = \frac{v_{1} + v_{2}}{2}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.