13. Sirius is the brightest star in the sky. It is 9 light years away. If you were to travel thereand back at .95c how much would age?14. You are watching a spacecraft fly by at .75c. If the initial length of theSpacecraft is 23 m, how much is the spacecraft contracted?

The distance between the earth and the Sirius is 9 light-years. We know that 1Ly=9.461×1015m The…

Answered: 13. Sirius is the brightest star in the…

13. Sirius is the brightest star in the sky. It is 9 light years away. If you were to travel there and back at .95c how much would age?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

13. Sirius is the brightest star in the sky. It is 9 light years away. If you were to travel there
and back at .95c how much would age?
14. You are watching a spacecraft fly by at .75c. If the initial length of the
Spacecraft is 23 m, how much is the spacecraft contracted?

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