Question

.A boy goes from A to B with a velocity of 20 m/min and comes back from B to A with a velocity of 30 m/min. The average velocity of the boy during the whole journey is​

Answer 1

Answer:

0 m/s

Explanation:

Average velocity=Total displacement/Total time

Since, in this case, the initial and final position of the body is same, the displacement is 0.

Therefore, the average velocity will also be 0 m/s.