2. 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, notices that the front and back ends of the train line up exactly with the ends of the platform at the same time. How long does it take the train to pass P as he stands on the platform, as measured by his watch?
2. 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, notices that the front and back ends of the train line up exactly with the ends of the platform at the same time. How long does it take the train to pass P as he stands on the platform, as measured by his watch?
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Transcribed Image Text:2. 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, notices that the front
and back ends of the train line up exactly with the ends of the platform at the same time.
How long does it take the train to pass P as he stands on the platform, as measured by his
watch?
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