A train 360 m long is running at a
speed of 45 km/hr. What time will it
take to cross a 140 m long bridge?
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Answer:
Formulaforconvertingfromkm/hrtom/s:Xkm/hr=X×518m/sTherefore,Speed=45×518m/sec=252m/secTotaldistancetobecovered=(360+140)m=500mFormulaforfindingTime=DistanceSpeed∴Requiredtime=(500×225)sec=40sec.
Step-by-step explanation:
It will take 40 sec.
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