A train is moving at the speed of 80 km/hr. What is its speed in metres per second?
22(2/9) m/s
21 m/s
22 m/s
21(1/2) m/s
Explanation:
speed =80 km/hr =80×5/18 m/s
=40×5/9=200/9=22(2/9) m/s
speed =80 km/hr =80×5/18 m/s
=40×5/9=200/9=22(2/9) m/s