Adelaide Ganyani - Question: "A spaceship travels at speed _v

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2026-04-10 07:56:55 ·

Question: "A spaceship travels at speed _v_ and returns 5 years later (spaceship time). The twin on Earth is now 65, and the traveler is 20. How fast was the spaceship moving?"

Answer: ≈ 0.994c

Check the calculations

Question: "A spaceship travels at speed _v_ and returns 5 years later (spaceship time). The twin on Earth is now 65, and the traveler is 20. How fast was the spaceship moving?" Answer: ≈ 0.994c 🚀 Check the calculations

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