a 120 metre long train is moving towards west at a speed of 10m/s. a small bird flying towards east at a speed of 5m/s crosses the train. find the crossing time
Answers
Answered by
1
Answer:
We have two situations here where we have two different outcomes :
The Bird is some distance away from the train NOW. It is impossible to say how long it will take the bird to cross the train unless we know the exact distance.
The Bird is exactly at the spot where the front of the engine is placed NOW. In this case distance to be covered is 120m and relative speed is 5 + 10 = 15 m/s.
Time = Distance/Relative Speed
= 120/15 = 8 seconds.
Answered by
2
Explanation:
answer is 8 seconds
I hope this helps you
Similar questions