Question

A person traveling on a straight line moves with a uniform velocity v₁ for a distance x and with a uniform velocity v₂ for the next equal distance. The average velocity v is given by

(a) v=(v₁+v₂)

(b) v=√(v₁v₂)

(c) 2/v=1/v₁+1/v₂

(d) 1/v=1/v₁+1/v₂

Answer 1

(c)2/v=1/v₁+1/v₂