You embark on a round-trip journey to a star 14 light years, Ask an Expert

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You embark on a round-trip journey to a star 14 light years away, as measured in Earth's reference frame. You travel at a fix speed outbound, turn around rapidly, and travel back at constant speed. The round trip takes 30 y by your clock.

Part A Calculate how fast do you travel?

Part B Determine the round-trip time as measured on Earth?

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