SOLUTION: Coming from opposite directions, a freight train and a passenger train pass each other on parallel tracks. The passenger train travels at 60 mph. The freight train travels at 30

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Question 580812: Coming from opposite directions, a freight train and a passenger train pass each other on parallel tracks. The passenger train travels at 60 mph. The freight train travels at 30 mph. A passenger oberves that it takes 6 seconds to pass the freight train. How many feet long is the freight train?
HINT: There are 5, 280 feet in a mile.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Coming from opposite directions, a freight train and a passenger train pass each other on parallel tracks.
The passenger train travels at 60 mph. The freight train travels at 30 mph.
A passenger observes that it takes 6 seconds to pass the freight train.
How many feet long is the freight train?
:
Since they are going towards each other the speeds are additive: 60+30 = 90 mph
What is the distance (in feet) traveled in 6 sec at 90 mph
:
%2890%2A5280%29%2F3600 * 6 = 792 ft is the length of the freight