# Physics

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Two electrons exert a force of repulsion of
0.96 N on each other.
How far apart are they? The elemental
charge is 1.602 × 10
−19
C .

• Physics -

0.96 newtons = k e^2/r^2

k is the Coulomb constant,
8.99*10^9 N*m^2/C^2.
You already know what e is.

Solve for r

• Physics -

3.333

• Physics -

2.15E8

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