Question

A person travels along a straight road for the first time with a velocity v1 and the next after in with a velocity

Answer 1

Avg velocity =Vavg = S/t

Total distance = S = S1 + S2

or V1 x t/3 + V2 x 2t/3

so,  

Vavg = V1 x t/3 + V2 x 2t/3 /t

=V1 + 2V2/3