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Chery Chery
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Posts: 3587
7 years ago
A spaceship visits a star that is 4.5 light-years from Earth, and the spaceship travels at one-half the speed of light for the entire trip.
(a) How long did the trip take according to an observer on Earth?
(b) How long did the trip take according to an observer on the spaceship?
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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slicealemonslicealemon
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Posts: 930
7 years ago
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Chery Author
wrote...
7 years ago
I needed this so much, thanks
wrote...
4 years ago
thank you
wrote...
4 years ago Edited: 4 years ago, amir rahimi
no explanation
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