# How many seconds will elapse between the moment ................. and the moment the end of the train clears the tunnel?

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A 110 yard long train, travelling at 80 mph, enters a tunnel of half a mile in length.

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?

posted Sep 1, 2017

25.3125 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.

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