A bus travels some distance with a speed of 50 km/h and returns with a speed of 45 km/h. Calculate the average speed of the train
Answers
Answered by
0
Answer:
Total distance/ total time =
= 2s/{t₁ +t₂} =
= 2s/{s/v₁) +(s/v₂)} =
=2v₁v₂/(v₁+v₂) =
=2•30•45/(30+45) = 36 km/h
Similar questions