Two trains, each 250 m in length are running on parallel lines in opposite directions at speeds of 90 km/h and 60 km/h respectively. In how many seconds will they cross each other completely?
Given:
Length of 1st Train = Length of 2nd Train = 250 m
Speed of 1st Train = 90 km/hr
Speed of 2nd Train = 60 km/hr
Formula Used:
Distance = Speed × Time
Solution:
Relative Speed = (90 + 60) km/hr = 150 km/hr
Convert into m/sec =>
The distance covered to pass each other = (250 + 250) m = 500 m
So, the time taken to pass each other = = 12 sec
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