Question

Please solve this problem perfectly. Also give the explanation.​

Answer 1

Average speed = total distance/total time

(It includes both the went and the return of the train)

Average speed = 200+200/2+3

Speed =400/5

Speed= 80m.

Velocity \= displacement /time.

( though it comes back to it's original position it do not have distance between them)

:- =0

Velocity =0.