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.
- 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 OAThe 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.15m 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)ASilicon wafers are made to create the most groundbreaking invention of mankind - microprocessors. If two silicon wafers (assume dipoles), both with masses of 125 g, radii of 10 cm and thickness of 7 µm are placed close to each other, separated by a distance of 3 cm, what is the electric field strength experienced by an electron placed on the surface of the negatively charged wafer? What is the final velocity of the electron upon reaching the positively charged plate? How much power is generated by the electron in its travel?