Suppose an astronaut travels very fast from the Earth to the nearest star system, Alpha Centauri, located 4.30 light years (ly) away as meas

Question

Suppose an astronaut travels very fast from the Earth to the nearest star system, Alpha Centauri, located 4.30 light years (ly) away as measured by an Earth-bound observer. (a) How long does it take the astronaut to travel 4.30 ly at 0.99850 c (as measured by the Earth-bound observer)

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Vodka 6 months 2021-08-13T09:11:25+00:00 1 Answers 35 views 0

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    2021-08-13T09:12:31+00:00

    Answer:

    a) t = 4.306\,years

    Explanation:

    a) If the astronaut travels at 99.85 % of light speed, it means that 99.85 light years will be covered in one year. The time needed to reach Alpha Centauri is:

    t = \frac{4.30\,ly}{0.9985}

    t = 4.306\,years

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