train A of length 120 m moving with a velocity of 20 m/s is about to cross another train B of length 130 m moving toward it from opposite direction with a speed of 30 m/s then find the time duration during which the train would cross each other
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Relative speed of trains=(30+20)=50m/s.Inorder to cross each other the trains have to cross relative distance=120+130=250m.
The time taken in covering this distance=250/50=5s.
Answer : 5 second
The time taken in covering this distance=250/50=5s.
Answer : 5 second
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Answer:
5 Seconds
Step-by-step explanation:
When they cross each other and lie with both their backs at a common point their total length is 130+ 120 = 250m
Similarly both their velocities are 20+30=50m/s
As Speed = Distance/ Time
Time=250/50
= 5 seconds
Which also happens to be your answer
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