Two tiny conducting spheres are identical and carry charges of -28.8μC and +39.3μC. They are separated by a distance of 3.72 cm . (a) What is the magnitude of the force that each sphere experiences? (b) The spheres are brought into contact and then separated to a distance of 3.72 cm . Determine the magnitude of the force that each sphere now experiences.
(a) Number __________ Units __________.
(b) Number ___________ Units _____________.