A star is 80 light years from Earth. How fast does a spacecraft have to be for the journey to last the 70 years of an astronaut's life? Express the answer in c. Use the necessary equations and show complete approach.

A star is 80 light years from Earth. How fast does a spacecraft have to be for the journey to last the 70 years of an astronaut's life? Express the answer in c. Use the necessary equations and show complete approach.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter5: Relativity

Section: Chapter Questions

Problem 28P: A neutron lives 900 s when at rest relative to a observer. How fast is the neutron moving relative...

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