Time Dilation: A spaceship with a constant speed of 0.800c relative to Earth travels to a star that is 4.30 light-years from Earth. How much time for this trip would elapse on a clock on board the spaceship?
A. 3.23 y
B. 4.40 y
C. 5.15 y
D. 5.38 y
Answer: A
Physics & Space Science
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