SOLUTION: A train running at the speed of 120km/hr crosses a pole in 12seconds. What is the length of the train.?

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Question 1011078: A train running at the speed of 120km/hr crosses a pole in 12seconds. What is the length of the train.?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Convert seconds to hrs
[ seconds ] x [ min / sec ] x [ hrs / min ] = hrs
+12%2A%28+1%2F60+%29%2A%28+1%2F60+%29+=+12%2F3600+
+12%2F3600+=+1%2F300+
+d+=+r%2At+
+d+=+120%2A%281%2F300+%29+
+d+=+2%2F5
The train is .4 km or 400 m long