two trains are running at a speed of 85 km/h and 60 kilometre per hour respectively in opposite direction if they take 15 second Tu pass each other completely then find the length of one train provided the length of other is 140m
(Ans. should be in point decimal)
(Ans. should be in point decimal)
Answers & Comments
Answer:
18
5
m/sec=
3
125
m/sec
Distance covered by the slower train to cross the faster train =(1.1+0.9)km=2km=2000m
The time taken by the slower train to cross the faster train in second =
speed
distance
2000
= 125
----
3 I
=16×3=48 seconds