Question

A metro train covers a distance of 42km in 80min . what is the average speed.

Answer 1

average speed = total distance / total time taken

given:-

distance :- 42 km = 42000 m

time = 80 min = 80 * 60 sec = 4800 sec

average speed = 42000 m/ 4800 sec

average speed = 8.75 m /s