SOLUTION: Why does a person sitting in one train think that the other train is at rest, when both the trains are moving on a parallel tracks with the same speed and in the same direction?

SOLUTION: Why does a person sitting in one train think that the other train is at rest, when both the trains are moving on a parallel tracks with the same speed and in the same direction?

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Question 457456: Why does a person sitting in one train think that the other train is at rest, when both the trains are moving on a parallel tracks with the same speed and in the same direction?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The other train is at rest wrt the person. The distance between them does not change with time.
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d = rt
0 = rt
r = 0
rate = 0 --> at rest.
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