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Calculate the force of gravity on a spacecraft 19200 km (3 earth radii) above the Earth's surface if its mass is 1000 kg.

what equation would i use

  • physics -

    they gave you 3 earth radii so you really do not have to do it out

    1 earth radius out from center
    W = m g = 1000(9.81) = 9810 N
    3 radius above = 4 radii from center
    F = 1/(4)^2 value at surface

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