Question

a train 360 metre long is running at speed of 45 kilometre per hour what time will it take to cross if 140 long Bridge​

Answer 1

Answer:

Formula for converting from km/hr to m/s:Xkm/hr=X×518m/sTherefore,Speed=45×518m/sec=252m/secTotaldistancetobecovered=(360+140)m=500mFormulaforfindingTime=DistanceSpeed∴Requiredtime=(500×225)sec=40sec.