Find the time taken by a train 160 m long running at 75 km/h to cross a train 240m long running at 57 km/h in the same direction.
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The train's length = 160m
Speed = 75km/h
= 7500m/h
The length of the second train = 240m
Speed = 57km/h
= 5700m/h
Total Distance = 160 +240 = 400m
Opposite Direction (s1+S2) = 7500 + 5700 = 13200m/hr
Time = Distance/speed
= 400/13200
=1/33hr
= 1.8minutes
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