Question

A train of length 200 m travelling at 40 m/s overtakes

another train of length 300 m travelling at 30 m/s in same

direction. The time taken by the first train to pass the

second is

A) 50 s

B) 10 s

C) 40 s

D) 30 s​

Answer 1

Explanation:

A) 50 s

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I help my answer

Answer 2

Answer:

the train is traveling in same direction so

relative speed be (S-s)

distance = 300+200=500m

speed = 40-30= 10sec

time= distance/speed

= 500/10

= 50

.....666....