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Physics, 29.05.2021 04:40 gkasshy334

John gets in a ship and travels at 0.65c away from Earth, turns around, and comes back. Jim, his friend, waits on Earth for his return for 12.0 years. How many years has John aged?

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John gets in a ship and travels at 0.65c away from Earth, turns around, and comes back. Jim, his fri...
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