Question

A body goes from A to B with a velocity of 20 m/s and comes back B to A with a velocity

of 30 m/s. The average velocity of the body during the whole journey is

(1) zero (3) 25 m/s (2) 24 m/s (4) none of

these ​

Answer 1

Answer:(3) 25 m/s

Explanation:

Average velocity= a+b/2

                           =50/2=25m/s

Answer 2

Average=20+30/2
A=50/2
A=25 m/s
(3)25 m/s is your answer