Question

At what speed in km/h is a train travelling if it's covering 45 m every 9 seconds​

Answer 1

Solution:-

given--> d = 45m = 0.045km

& t = 9sec = 0.0025

As, Formula :

speed = distance / time

speed = 0.045 / 0.0025

speed = 18 km/h

Answer 2

Solution:-

given--> d = 45m = 0.045km

& t = 9sec = 0.0025

As, Formula :

speed = distance / time

speed = 0.045 / 0.0025

speed = 18 km/h