A starship voyages to a distant planet 10 ly away. The explorers stay 4.0 yr, return at the same speed, and arrive back on earth 26 yr after they left. Assume that the time needed to accelerate and decelerate is negligible. Part A What is the speed of the starship? Express your answer using two significant figures. = 0.91 Submit Previous Answers Part B Correct How much time has elapsed on the astronauts' chronometers? Express your answer using two significant figures. ΜΕ ΑΣΦ t = 52.4 ? Submit Previous Answers Request Answer × Incorrect; Try Again; 5 attempts remaining Provide Feedback years Next >
A starship voyages to a distant planet 10 ly away. The explorers stay 4.0 yr, return at the same speed, and arrive back on earth 26 yr after they left. Assume that the time needed to accelerate and decelerate is negligible. Part A What is the speed of the starship? Express your answer using two significant figures. = 0.91 Submit Previous Answers Part B Correct How much time has elapsed on the astronauts' chronometers? Express your answer using two significant figures. ΜΕ ΑΣΦ t = 52.4 ? Submit Previous Answers Request Answer × Incorrect; Try Again; 5 attempts remaining Provide Feedback years Next >
Chapter12: Relativity, Particle Physics, And Cosmology
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