Astronaut Sarah leaves Earth in a spaceship at a speed of 0.280c relative to Earth. Sarah's destination is a star system 12.5 light-years away (one light-year is the distance light travels in one
Year). According to Sarah, how far did she travel during the trip?
A) 12.5 light-years
B) 11.0 light-years
C) 11.5 light-years
D) 13.0 light-years
E) 12.0 light-years

Question

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The Answer of Astronaut Sarah leaves Earth in a spaceship at a speed of 0.280c relative to Earth. Sarah's destination is a star system 12.5 light-years away (one light-year is the distance light travels in one
Year). According to Sarah, how far did she travel during the trip?
A) 12.5 light-years
B) 11.0 light-years
C) 11.5 light-years
D) 13.0 light-years
E) 12.0 light-years

Astronaut Sarah Leaves Earth in a Spaceship at a Speed