1.

onneA train passes the telegraph posts which are placed 76 metres apart alongside a railway track at :intervals of 4 seconds. At what rate is the train travelling in km per hour?

Answer»

76metre in 4secHence in 1sec=76/4=19mHence in m/s=19m/sfor km/hr multiply the speed value by 3.6hence 19*3.6=68.4m/s



Discussion

No Comment Found