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:    • Grade 11 Electrostatics Physical Sciences   More gr 12 electrostatics:    • Grade 12 Electrostatics Physical Sciences   #physics #electrostatics #grade11 #grade12