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• PHY102 Physics II © Dr.Cem Özdoğan

• Figure (a) shows charged particles 1 and 2 that are fixed in place on an x axis. Particle 1 has a charge with a magnitude of |q1|= 8.00e. Particle 3 of charge q3 =+8.00e is initially on the x axis near particle 2. Then particle 3 is gradually moved in the positive direction of the x axis. As a result, the magnitude of the net electrostatic force F2,net on particle 2 due to particles 1 and 3 changes. Figure (b) gives the x component of that net force as a function of the position x of particle 3. The scale of the x axis is set by xs=0.80 m. The plot has an asymptote of F2,net=1.5x10-25 N as x→∞. As a multiple of e and including the sign, what is the charge q2 of particle 2?

• 21 Solved Problems

• September 23, 2021

• variation of x3

• x=0.40m F(x=0.40)=0