How long will it take a mile long train, going 20 miles per hour, to get COMPLETELY through a 2 mile long tunnel?
I am getting 9 minutes to get completely through the tunnel
I am getting 9 minutes to get completely through the tunnel
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In total it travels 3 miles...two to enter and exit and three to fully exit. 3 miles/20mph*60min/hr. 9 mins is right!!