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September 22, 2014

Homework Help: physics

Posted by Andy on Tuesday, January 19, 2010 at 11:10pm.

Suppose that the attraction between the moon and the earth were due to Coulomb forces rather than gravitational force. What would be the magnitude of the charge required if equal but opposite charges resided on both earth and moon? Mass of earth = 5.98×1024 kg; mass of moon = 7.35×1022 kg; earth-moon distance = 3.84×108 m.

I have been trying to use Fe/Fg = k/G q^2/m^2 to try to find the ratio but I'm not sure exactly what to do

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