3. An observer P stands on a train station platform as a high-speed train passes by at u/c = 0.8. The observer P, who measures the platform to be 60 m long, notice that the front and back ends of the train line up exactly with the ends of the platform at the same time. According to a rider T on the train, what is the length of the train station platform?
3. An observer P stands on a train station platform as a high-speed train passes by at u/c = 0.8. The observer P, who measures the platform to be 60 m long, notice that the front and back ends of the train line up exactly with the ends of the platform at the same time. According to a rider T on the train, what is the length of the train station platform?
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Transcribed Image Text:3. An observer P stands on a train station platform as a high-speed train passes by at u/c =
0.8. The observer P, who measures the platform to be 60 m long, notice that the front and
back ends of the train line up exactly with the ends of the platform at the same time.
According to a rider T on the train, what is the length of the train station platform?
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