Answering an emergency beacon, Captain Jack leaves the Earth on a rescue mission at 0.60c, arriving at the beacon 1.5 years later (as measured on the Earth). He immediately jumps on a return ship heading back at 0.80c, relative to the Earth. How long does the round-trip take, according to Captain Jack?

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter14: Special Theory Of Relativity
Section: Chapter Questions
Problem 14.20P
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Answering an emergency beacon, Captain Jack leaves the Earth on a rescue mission at 0.60c,
arriving at the beacon 1.5 years later (as measured on the Earth). He immediately jumps on a
return ship heading back at 0.80c, relative to the Earth. How long does the round-trip take,
according to Captain Jack?
Transcribed Image Text:Answering an emergency beacon, Captain Jack leaves the Earth on a rescue mission at 0.60c, arriving at the beacon 1.5 years later (as measured on the Earth). He immediately jumps on a return ship heading back at 0.80c, relative to the Earth. How long does the round-trip take, according to Captain Jack?
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