Astronaut Sarah Leaves Earth in a Spaceship at a Speed

question 90

Multiple Choice

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)13.0 light-years
• B)12.5 light-years
• C)12.0 light-years
• D)11.5 light-years
• E)11.0 light-years

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