What is his own age and age of the earth-based twin brother

Reference no: EM13522198

One 20-year-old twin brother takes a space trip with a speed of 0.80c for 30 years according to a clock on the spaceship. Upon returning to the Earth, what is his own age and the age of the Earth-based twin brother?

Reference no: EM13522198

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What is his own age and age of the earth-based twin brother : One 20-year-old twin brother takes a space trip with a speed of 0.80c for 30 years according to a clock on the spaceship, what is his own age and the age of the Earth-based twin brother

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