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PeachBanana
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Homework Statement
Suppose an electron was bound to a proton, as in the hydrogen atom, but by the gravitational force rather than by the electric force. What would be the radius of the first Bohr orbit?
Homework Equations
r = h^2 / 4∏^2*mke^2
The Attempt at a Solution
I'm not sure how to manipulate the above equation to account for gravitational force. Should I start by looking at that fact
F = ma
kZe^2/r^2 = mv^2/r