A Spaceship Is Observed from the Earth to Be Moving

question 31

Multiple Choice

A spaceship is observed from the Earth to be moving toward a star at a speed of 0.80 c. If the distance from the spaceship to the star is 1.6 ly as measured from Earth, how much time passes on the spaceship while traveling to the star?

• A) 3.3 y
• B) 2.0 y
• C) 1.3 y
• D) 1.2 y
• E) 0.96 y

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