Astronaut Rob Leaves Earth in a Spaceship at a Speed $0.960 \mathrm { c }$

question 86

Multiple Choice

Astronaut Rob leaves Earth in a spaceship at a speed of $0.960 \mathrm { c }$ relative to an observer on Earth. Rob's destination is a star system $14.4$ light-years away (one light-year is the distance light travels in one year) . Relative to a frame of reference that is fixed with respect to Earth, how long does it take Rob to complete the trip?

• A) \(4.20\) years
• B) \(14.4\) years
• C) \(10.8\) years
• D) \(22.7\) years
• E) \(15.0\) years

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