Two trains, A and B, are moving towards each other with relative speed 0.8c. The
passing of the two trains (from when their fronts align to when their backs align) takes 20%
longer as observed from train A as is does as observed from train B. What is the ratio of the
length of A to the length of B?
I am guessing:
The Attempt at a Solution
I am confused, I feel like there is missing information?
I am trying to relate these two equations! but I am really not sure how to go about solving this one! please help. just so i know where to start...
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