A train is moving at the speed of 80 km/hr. What is its speed in metres per second?
22$\dfrac{2}{9}$m/s
22 m/s
21$\dfrac{1}{9}$m/sec
21 m/s
Explanation:
Speed = 80 km/hr = $80 \times \dfrac{5}{18} m/s = 40 \times \dfrac{5}{9}m/s = \dfrac{200}{9}m/s = 22\dfrac{2}{9}$m/s