300mt long train cross bridge 42 seconds and cross pole in 18secounds find length of the bridge
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train cross pole in 18 second means
it cross it's length distance
300/18 = 16.66 m/s speed
bridge cross in 42 second means
16.66 × 42 = 700 m
bridge length = 700 - 300 = 400 m
it cross it's length distance
300/18 = 16.66 m/s speed
bridge cross in 42 second means
16.66 × 42 = 700 m
bridge length = 700 - 300 = 400 m
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