A train moving at 49 mph meets and is passed by a train moving at 63 m – InterviewSolution

1.	A train moving at 49 mph meets and is passed by a train moving at 63 mph. Apassenger in the first train noted that the second train took as seconds to pass him.How long is the second train?
Answer» The effective speed between the trains: 49 + 63 = 112 mphAssume the passenger is stationary and the 2nd train is passing himat 112 mph:speed in ft/sec, mult by 4.5 sec: (1120.44704m/s)4.5sec=739.5 ft is the length of the train

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