Two charged beads are on the plastic ring in Fig. 22-44 a . Bead 2, which is not shown, is fixed in place on the ring, which has radius R = 60.0 cm. Bead 1, which is not fixed in place, is initially on the x axis at angle θ = 0°. It is then moved to the opposite side, at angle θ = 180°, through the first and second quadrants of the xy coordinate system. Figure 22-44 b gives the x component of the net electric field produced at the origin by the two beads as a function of θ , and Fig. 22-44 c gives the y component of that net electric field. The vertical axis scales are set by E xs = 5.0 × 10 4 N/C and E ys = −9.0 × 10 4 N/C. (a) At what angle θ is bead 2 located? What are the charges of (b) bead 1 and (c) bead 2? Figure 22-44 Problem 17.
Two charged beads are on the plastic ring in Fig. 22-44 a . Bead 2, which is not shown, is fixed in place on the ring, which has radius R = 60.0 cm. Bead 1, which is not fixed in place, is initially on the x axis at angle θ = 0°. It is then moved to the opposite side, at angle θ = 180°, through the first and second quadrants of the xy coordinate system. Figure 22-44 b gives the x component of the net electric field produced at the origin by the two beads as a function of θ , and Fig. 22-44 c gives the y component of that net electric field. The vertical axis scales are set by E xs = 5.0 × 10 4 N/C and E ys = −9.0 × 10 4 N/C. (a) At what angle θ is bead 2 located? What are the charges of (b) bead 1 and (c) bead 2? Figure 22-44 Problem 17.
Two charged beads are on the plastic ring in Fig. 22-44a. Bead 2, which is not shown, is fixed in place on the ring, which has radius R = 60.0 cm. Bead 1, which is not fixed in place, is initially on the x axis at angle θ = 0°. It is then moved to the opposite side, at angle θ = 180°, through the first and second quadrants of the xy coordinate system. Figure 22-44b gives the x component of the net electric field produced at the origin by the two beads as a function of θ, and Fig. 22-44c gives the y component of that net electric field. The vertical axis scales are set by Exs = 5.0 × 104 N/C and Eys = −9.0 × 104 N/C. (a) At what angle θ is bead 2 located? What are the charges of (b) bead 1 and (c) bead 2?
In Fig. 21-20, a central particle of charge 2q is surrounded by a square array of charged particles, separated by either distance d or d/2 along the perimeter of the square. What are the magnitude and direc- tion of the net electrostatic force on the central particle due to the other particles? (Hint: Consideration of symmetry can greatly reduce the amount of work required here.)
At what distance along the central axis of a uniformly charged plastic disk of radius R = 1.31 m is the magnitude of the electric field equal to 1/3 times the magnitude of the field at the center of the surface of the disk?
At what distance along the central perpendicular axis of a uniformly charged plastic disk of radius 0.600 m is the magnitude of the electric field equal to one-half the magnitude of the field at the center of the surface of the disk?
University Physics with Modern Physics (14th Edition)
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