Question

A train passes through a tunnel 400 m long. It remains in the tunnel for a minute. If the train is 200 m long, then its speed is ____ m/sec.

Answer 1

Answer:

Answer

Let the length of the train be L.

Total distance cover by the engine to cross the bridge d=400+L

Speed of train v=30 m/s

Time taken t=20 s

Using d=vt

or 400+L=30×20

⟹ L=200 m

Step-by-step explanation:

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