Two charged beads are on the plastic ring in Figure (a). Bead 2, which is not shown, is fixed in place on the ring, which has radius R = 63.3 cm. Bead 1 is initially on the x axis at angle 8 = 0°. It is then moved to the opposite side, at angle = 180°, through the first and second quadrants of the xy coordinate system. Figure (b) gives the x component of the net electric field produced at the origin by the two beads as a function of 8, and Figure (c) below gives the y component. The vertical axis scales are set by Exs = 6.30 x 104 N/C and Eys =-11.34 × 104 N/C. (a) At what positive angle is bead 2 located? (Note: bead 2 is negative charged). What are the charges of (b) bead 1 and (c) bead 2? (a) Number (b) Number (c) Number i -90 R J (a) (b) 90°º Ex V N -0 180° 90° -Ex Eys Units Units -Ring -Bead 1 Units (c) 180° -8

Two charged beads are on the plastic ring in Figure (a). Bead 2, which is not shown, is fixed in place on the ring, which has radius R = 63.3 cm. Bead 1 is initially on the x axis at angle 8 = 0°. It is then moved to the opposite side, at angle = 180°, through the first and second quadrants of the xy coordinate system. Figure (b) gives the x component of the net electric field produced at the origin by the two beads as a function of 8, and Figure (c) below gives the y component. The vertical axis scales are set by Exs = 6.30 x 104 N/C and Eys =-11.34 × 104 N/C. (a) At what positive angle is bead 2 located? (Note: bead 2 is negative charged). What are the charges of (b) bead 1 and (c) bead 2? (a) Number (b) Number (c) Number i -90 R J (a) (b) 90°º Ex V N -0 180° 90° -Ex Eys Units Units -Ring -Bead 1 Units (c) 180° -8