please solve and send me
Attachments:
Answers
Answered by
1
Answer:
is a constant of proportionality known as the Coulomb constant, having the value 9 x 109 N.m2 / C2 in a vacuum. Note that the Coulomb constant, k, is often replaced with (1/4π ε0), where ε0is the permittivity of the vacuum
Similar questions