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nisa

  • one year ago

What force does earth's gravity exerts on a 81-kg astronaut who is orbiting in a space station at a distance from the SURFACE of the earth equal to 2 earth radii? Show your calculations.Your answer must be in newtons help !

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  1. SerikMB
    • one year ago
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    F=GMm/R

  2. SerikMB
    • one year ago
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    G is the universal gravitational constant G = 6.6726 x 10-11N-m2/kg2

  3. SerikMB
    • one year ago
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    M- mass of earth m- mass of astranaut R-radius of earth/ or just a distance of two objects, here it is 2 times of earth radius

  4. JFraser
    • one year ago
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    ^ the astronaut is 2 earth radii from the SURFACE, so his distance is really 3x the earth's radius

  5. nisa
    • one year ago
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    thank u guys so much :)

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