Question

a boy goes from a to b with the velocity of 20 metre per minute and comebacks from B to a with the velocity of 30 metre per minute. the average velocity of the boy during the whole journey is

24m/min
25m/s
zero
20m/min


plz help
if u'll ans correctly then I'll mark u brainlist
but if u'll send anything useless then I'll report ur ans
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Answer 1

Answer:

zero

Explanation:

velocity = displacement/ time

here displacement is zero because initial and final point is A...

when initial and final point is same then displacement is zero

hence velocity = 0