# How long will elapse between the moment the ............. moment the end of the train clears the tunnel?

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A 330 yard long train, travelling at 60 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?

posted Jan 16, 2015

3.1875 minutes.
Total length is 3 miles + 330 yards = 3.1875 miles.
Speed train = 60 mph = 1 mile per minute.

answer Mar 16, 2015 by

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