two trains 180 meters and 120 meters in length respectively running in the same directions at the speeds of 24kmph and 21 respectively.in what time they cross each other
Answers
Answered by
0
Since the trains are moving towards each other, the resultant velocity=24+21=45km/h=(75/6)m/sec
Total distance=180+120=300m
Time=distance
velocity
Time=300x6/75=24 sec
Similar questions