the speed of a train 150m long is 50 km/hr. how much time will it take to cross a tree?
Answers
Answered by
1
Step-by-step explanation:
When a train has to cross a stationary object, it has to cover a distance equal to its own length.
In this case the distance covered
= 150 m =
20
3
km
speed of train = 50 km/h
50 km is covered in = 60 minutes
1 km is covered in =
50
60
minutes
20
3
km is covered in =
50
60
×
20
3
or
50
9
minutes
=
50
9
×60 or 10.8 second
Similar questions