Question

Can you write it with steps please? Thank you ^_^

Answer 1

Use Coulomb's Law

Explanation:

`F=k{|q_1q_2|}/d^2`

k is is a constant and is `8.99x10^9 Nm^2/C^2`

d is your distance.

You can then calculate the value of `q_1*q_2`

Be sure to convert the 4.0 cm to meters. (0.04 m)