Motion in a Straight LineNCERT Exemplar Questions 4 Medium A vehicle travels half the distance l with speed $v_{1}$ and the other half with speed $v_{2}$, then its average speed is A $\frac{(v_{1} + v_{2})}{2}$ B $\frac{(2v_{1} + v_{2})}{(v_{1} + v_{2})}$ C $\frac{(2v_{1}v_{2})}{(v_{1} + v_{2})}$ D $\frac{L(v_{1} + v_{2})}{(v_{1}v_{2})}$ Check Answer