A train moves with the speed of 180 km/hr. Its speed (in metres per second) is

5 30 40 50

50

180 x \(\frac{ 5}{18 }\) = 50 km/hr *Note*: To convert m/s to km/hr we multiply by \(\frac{ 18}{5 }\) To convert km/hr to m/s we multiply by \(\frac{5}{18}\)