Distance traveled according to observers on the spacecraft

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A certain star is 18.6 light-years away. How long would it take a spacecraft traveling 0.950c to reach that star from Earth, as measured by observers?

a) On earth

b) On the spacecraft

c) What is the distance traveled according to observers on the spacecraft

d) What will the spacecraft occupants calculate their speed to be from the results of b) and c)

Reference no: EM13664023

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