Electrostatics Grade 11 and 12 Exam Practice Question Coulomb's Law

Gr 11 and 12 Electrostatics - Coulomb's Law, calculating net electrostatic force, calculating increase in mass of sphere! I do a relatively challenging question in this video, see if you can do it with me! More gr 11 electrostatics: https://www.youtube.com/playlist?list=PLRMp_XjPkvIION3gCpsj0FTThojBKYGBV More gr 12 electrostatics: https://www.youtube.com/playlist?list=PLRMp_XjPkvIIcj3urpnBDjqfPRH-q5tXg #physics #electrostatics #grade11 #grade12