The repulsive force between two protons has a magnitude of 2.00 n. what is the distance between them?
a. 1.07 x 10^-14 m
b. 1.28 x 10^-38 m
c. 7.19 x 10^-10 m
d. 2.68 x 10^-4 m

The answer to your question is letter A.     r = 1.07 x 10⁻¹⁴ m

Explanation:

Data

F = 2 N

d = ?

q = 1.6 x 10 ⁻¹⁹ C

k = 8.987 Nm²/C²

Formula

Solve for r

Substitution

Simplification

                r =

                r =

Result

                r = 1.07 x 10⁻¹⁴ m

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.