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Physics

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Calculate the force of the Earths gravity on a spacecraft 12,800 km (2 earth radii) above the Earths surface if its mass is 1350 kg?

  • Physics - ,

    F = GMm/r^2 = 6.673*10^-11 * 5.973*10^24 * 1350 / (6378*3000)^2 = 1464N

    makes sense - roughly 3 times as far, so 1/9 the force at the surface

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