Electric force:

$\overline{){\mathbf{F}}{\mathbf{=}}\frac{\mathbf{k}\mathbf{q}\mathbf{Q}}{{\mathbf{r}}^{\mathbf{2}}}}$

Solving for r:

$\overline{){\mathbf{r}}{\mathbf{=}}\sqrt{\frac{\mathbf{k}\mathbf{q}\mathbf{Q}}{\mathbf{F}}}}$

The magnitude of the electric force between two protons is 2.3 x 10^{-26} N. How far apart are they?

a) 1

b) 0.10 m

c) 0.0057 m

d) 0.48 m

e) 0.022 m

f) 3.1 m

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Coulomb's Law (Electric Force) concept. You can view video lessons to learn Coulomb's Law (Electric Force). Or if you need more Coulomb's Law (Electric Force) practice, you can also practice Coulomb's Law (Electric Force) practice problems.