A 600 m long train crosses a point in 30 seconds. What is the speed of the train in km/h?

A 600 m long train crosses a point in 30 seconds. What is the speed of the train in km/h?

Explanation

Speed = Distance / Time = 600 m / 30 s = 20 m/s

Convert to km/h: 20 × 3.6 = 72 km/h