Question

20.
A train is running at a constant speed of 54 km/h 1. What is its speed in m/s?​

Answer 1

to covert km/h to m/s directly multiply with 5÷18

54×5÷18=15m/s

Answer 2

Explanation:

for metres per second

1 kilometres = 1000

so, 54= 54000

for miles