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## Homework Statement

if a proton and a electron put in a gravitational field, what is their ratio compare to one another?

## Homework Equations

fg= GMm/r^2

mass of a proton = 1.67 x 10^-27 kg

mass of a electron= 9.11 x 10^-31 kg

## The Attempt at a Solution

i tried to divided them out, i got 1 to 1800, not sure if it is right