Solve the all parts of given question:
Question: Suppose the magnitude of the proton charge differs from the magnitude of the electron charge by a mere 1 part in 109.
Part I: What would be the force between two 1.9-mm-diameter copper spheres 1.4cm apart? Assume that each copper atom has an equal number of electrons and protons.
Part II: Would this amount of force be detectable?
Please write the step and answer. How do you work this question Thanks!