Two particles which have the same magnitude charge but opposite sign are held r=6 nm apart. Particle I is then released while Particle II is held steady; the released particle has a mass of 5.11×10 −23
kg. Particle I's speed is 140 km/s when it is 0.65r away from Particle II. \& 50% Part (a) What is the magnitude of the charge on one of the particles?