A 440 yard long train, travelling at 60 mph, enters a one mile long tunnel. How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?
Answer : 1 minute and 15 sec.
Train is .25 mile long; traveling 60 miles per hour. so; the front of the train will take 1 min to reach to the end of the tunnel. Body of the train is 1/4 mile; it will take 15 seconds to clear the tunnel.
A 400 yard long train, travelling at 30 mph, enters a one mile long tunnel.
How many seconds will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?
A 330 yard long train, travelling at 50 mph, enters a three mile long tunnel. How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?
A 500 yard long train, travelling at 90 mph, enters a tunnel of four and a half miles in length.
How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?
A 500 yard long train, travelling at 50 mph, enters a three mile long tunnel.
A 400 yard long train, travelling at 30 mph, enters a 4.5 mile long tunnel.
