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March 28, 2017

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The mass of the Moon is 7.35 x 10^22 kg. At some point between Earth and the Moon, the force of Earth's gravitational attraction on an object is cancelled by the Moon's force of gravitational attraction. If the distance between Earth and the Moon (centre to centre) is 3.84 x 10^5 km, calculate where this will occur, relative to Earth.

  • Physics - ,

    put mass m in there. It will cancel of course

    G m Mmoon/(3.84*10^5-r)^2 = G m Mearth/r^2

    Mmoon/(3.84*10^5-r)^2 = Mearth/r^2

  • Physics - ,

    oh okayy! thanks so muchhh <3

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