SOLUTION: a train is going 100 mph, a car on top of the train is going 60 mph. How fast is the car traveling?

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Question 831336: a train is going 100 mph, a car on top of the train
is going 60 mph. How fast is the car traveling?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
a train is going 100 mph, a car on top of the train
is going 60 mph. How fast is the car traveling?
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If they're going the same direction, the speeds are added.
If the car is going opposite the train, its speed is subtracted.
Speeds are assumed to be relative to the Earth.