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11 April, 16:58

You are on an interstellar mission from the Earth to the 8.7 light-years distant star Sirius. Your

spaceship can travel with 70% the speed of light and has a cylindrical shape with a diameter of

6 m at the front surface and a length of 25 m. You have to cross the interstellar medium with an

approximated density of 1 hydrogen atom/m3

.

(a) Calculate the time it takes your spaceship to reach Sirius.

(b) Determine the mass of interstellar gas that collides with your spaceship during the mission.

Note: Use 1.673 * 10-27 kg as proton mass.

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Answers (1)
  1. 11 April, 19:39
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    (a) Calculate the time it takes your spaceship to reach Sirius.

    (b) Determine the mass of interstellar gas that collides with your spaceship during the mission

    Explanation:

    1.673 * 10-27 kg as proton mass

    6 m at the front surface and a length of 25 m

    cross the interstellar medium with an approximated density of 1 hydrogen atom/m3

    spaceship can travel with 70% the speed of light

    speed of the light: 299,792,458 m/s
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