U te ..16 Go Figure 24-37 shows a rect- angular array of charged particles fixed in place, with distance a = 39.0 cm and the charges shown as integer multiples of q₁ = 3.40 PC and 92=6.00 pC. With V=0 at - +492 +291 Figure 24-37 Problem 16.
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- A proton is fired from very far away directly at a fixed particle with charge q = 1.28 1018 C. If the initial speed of the proton is 2.4 105 m/s, what is its distance of closest approach to the fixed particle? The mass of a proton is 1.67 1027 kg.58 G0 Proton in a well Figure 24-59 shows electric poten- tial V along an x axis. The scale of the ver- tical axis is set by V, = 10.0 V. A pro- x (cm) 0 1 2 3 4 5 6 7 %3D ton is to be released Figure 24-59 Problem 58. at x= 3.5 cm with initial kinetic energy 4.00 eV. (a) If it is initially moving in the neg- ative direction of the axis, does it reach a turning point (if so, what is the x coordinate of that point) or does it escape from the plotted region (if so, what is its speed at x = 0)? (b) If it is initially moving in the positive direction of the axis, does it reach a turning point (if so, what is the x coordinate of that point) or does it escape from the plotted region (if so, what is its speed at x = 6.0 cm)? What are the (c) magnitude Fand (d) direction (positive or negative direction of the x axis) of the electric force on the proton if the proton moves just to the left of x = 3.0 cm? What are (e) Fand (f) the direction if the proton moves just to the right of x = 5.0 cm?…(c) d) 2R R. R. R. Two uniform line charges of = 4n C/m each are parallel to the z-axis at (0, 4)m and (0, -4)m. Magnitude of electric field at points (+4, 0, 0) is (a) 9 V/m (b) 18 V/m C4.5 V/m (d) 9/2 V/m
- The two spherical shell has a charge of q1=0.30nC and q2 = 0.5nC. The radius of r1=7.5cm and r2 = 2.5cm. What is the new votage value in volts, after the charge transfer is completed between the two spheres?60 O In Fig. 21-43, six charged particles surround particle 7 at ra dial distances of either d = 1.0 cm or 2d, as drawn. The charges are q1 = +2e,92 = +4e, q3 = +e,q4= +4e,q5 = +2e,q6 = +8e,q7 = +6e with e = 1.60 x 10-19C. What is the magnitude of the net electro static force on particle 7? Figure 21-43 Problem 60. 4.Ch 18, Problem 45 Two charges are located on the x axis: q1 = +6.1C at x1 = +5.1 cm, and q2 = +6.1C at x2 = -5.1 cm. Two other charges are located on the y axis: q3 = +2.3C at y3 = +4.4 cm, and q4 = -5.8C at y4 = +6.3 cm. Find (a) the magnitude and (b) the direction of the net electric field at the origin.
- The ink drops have a mass m = 1.00x10-11 kg each and leave the nozzle and travel horizontally toward the paper at velocity v = 15.0 m/s. The drops pass through a charging unit that gives each drop a positive charge q by causing it to lose some electrons. The drops hen pass between parallel deflecting plates of length Do = 2.50 cm , where there is a uniform vertical electric field with magnitude E = 7.85x104 N/C. (Figure 1) %3D - Part A If a drop is to be deflected a distance d = 0.260 mm by the time it reaches the end of the deflection plate, what magnitude of charge q must be given to the drop? Assume that the density of the ink drop is 1000 kg/m³ , and ignore the effects of gravity. %3D 3 Express your answer numerically in coulombs.3 1 00 H X). Shown in the figure are two arcs of charge centered at the origin. The inner arc has a radius of curvature of 0.2 meters and a linear charge density of -50 C/m. The outer arc has a radius of curvature of 0.6 meters and a linear charge density of 80 μC/m. With theta given as 30 degrees, calculate the work it would take to bring a 60 μC point charge from infinity to the origin. Enter your answer in units of joules rounding your final answer to two decimal places. If the work is negative, a negative value must be entered. OLDE OA15m 1m d P 1m Pv1 Pu2 Located in free space R 1m radius andR= 1.5m Two spherical charges of radius appear as. The volumetric charge densities in both spheres are the same. Pv1 = Pv2 = 3µC/m"kind. The distance between the two spheres from outside to outside d = 0.5mis. From the center of the great sphere R = 1m on the radius circle P Find the magnitude and direction of the electric field at the point. Load Choose a File
- A +200 μC charge is placed at the origin and a -300 μC is placed 1 m to the right ofit. (a) What is the magnitude and direction of the E⃗ midway between the twocharges and (b) 30 cm to the right of the negative charge?placed in a uniform electric field E of magnitude 20 N/C. Figure 22-62 gives a the potential energy U of the dipole versus the angle e between E and the dipole moment p. The vertical axis scale is set by U, - 100 x 10-28 J. What U, is the magnitude of p? -U, Finure 22-62 Problem 58 (f s-01)AProblem 15: A point charge, Q, of –75nC is affixed to the y-axis at yo electron is placed at some point P = (xp,Yp) in the x-y-plane, free to move subject to the electric field generated by Q. Assuming xp = -18.0cm and yp = -20.0cm, what is the electron's acceleration vector d = (a2, ay ), at point P? 4.0cm. An (A) (-0.79, –1.05) × 1015 m/s² (B) (+0.79, +1.05) × 1015 m/s² (C) (-1.05, –0.79) × 1015 m/s² (D) (+4.94, +6.59) × 1033 m/s² (E) {-7.20, –9.60) × 10-16 °m/s²