# physics

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The moon has a mass of 7.35 E 22 kg and is located 3.84 E 8 meters from the Earth. If Ellen, an earthling, has a mass of 47 kg, what is the gravitational force between Ellen and the moon?

• physics -

We are assuming that Ellen is on earth?

In that case

F = G Mellen Mmoon /d^2

= (6.67*10^-11)(47)(7.35*10^22)/(3.84*10^8)^2

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