Question

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) $\frac{L(v_{1} + v_{2})}{v_{1}v_{2}}$

Answer 1

hey dear

ur answer is ^_^

option no a

thanks

Answer 2

Answer:

option a is your answer.

Explanation:

hope it helps you....