Physics

Problem

Calculate the magnitude and sign of the electrostatic force on an electron located

1.00\times10^{-10}\,\text{m}

away from: (a) another electron, and (b) a proton. Use

k = 8.99\times10^{9}\,\text{N}\cdot\text{m}^2\!\big/\!\text{C}^2

and

e = 1.60\times10^{-19}\,\text{C}