Sirius is about 9.0 light-years from Earth. (a) To reach the star by spaceship in 12 years

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Sirius is about 9.0 light-years from Earth.
(a) To reach the star by spaceship in 12 years (ship time), how fast must you travel?
(b) How long would the trip take according to an Earth-based observer?
(c) How far is the trip according to you?

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College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

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Question Posted: Aug 29, 2015 05:59 AM

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Sirius is about 9.0 light-years from Earth. (a) To reach the star by spaceship in 12 years

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a Calling v the speed of the ship relative to Earth the Earth time is D t ...View the full answer

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