Question

The force between an alfa an particle and an electron sepreted by a distance 1 angstrom is

Answer 1

Explanation:

k=q1q2 / r^2

= 9*10^9 * 2*1.6*10^-19 * 1.6*10^-19 divide by (10^-10)^2

as 1 angstrom = 10^-10

46.08*10^-9

4.6*10^-8

the force will be attractive