An observer on Earth observes Planet X to be 24 light-years away and stationary. An observer in a spaceship passing Earth on its way to Planet X observes Planet X to be 14.4 light-years away. According to the observer in the spaceship, how much time passes between Earth passing by and Planet X passing by?
An observer on Earth observes Planet X to be 24 light-years away and stationary. An observer in a spaceship passing Earth on its way to Planet X observes Planet X to be 14.4 light-years away. According to the observer in the spaceship, how much time passes between Earth passing by and Planet X passing by?
University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter5: Relativity
Section: Chapter Questions
Problem 79AP: An astronaut has a heartbeat rate of 66 beats per minute as measured during his physical exam on...
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26. An observer on Earth observes Planet X to be 24 light-years away and stationary. An observer in a spaceship passing Earth on its way to Planet X observes Planet X to be 14.4 light-years away. According to the observer in the spaceship, how much time passes between Earth passing by and Planet X passing by?
- 28 years
- 22 years
- 24 years
- 18 years
- 32 years
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