How long does a train 110m long running at the speed of 72km/hr take to cross a bridge 132 m in length?
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U will take out total length and speed is already there and then u will use the formula
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total length the nose of the train has to travel is 110 + 132 =242 m
the speed of train =72kmph = 20m/s
the time taken by train to cross = 242/20 = 12.1 s
if I'm right then mark me brainly
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