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A Spaceship Is Observed from the Earth to Be Moving

Question 16

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 long does an observer on Earth find that it takes for the space ship to reach the star?


A) 2.0 y
B) 2.1 y
C) 1.6 y
D) 1.2 y
E) 0.96 y

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