+9e b a -8e 3.00 um Ꮎ Electron An electron is near a positive ion of charge +9e and a negative ion of charge -8e (see the figure below). (Take a = 4.93 µm, b = 4.28 µm, and ? = 59.5°.) (a) Find the magnitude and direction of the resultant force on the electron. (Let right be the +x- direction. Measure the angle counter-clockwise from the +x-axis.) magnitude (b) Find the magnitude and direction electron's instantaneous acceleration (Let right be the +x-direction. Measure the angle counter- clockwise from the +x-axis.)
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- Three point charges are arranged as shown in the figure below. 5.00 nC -3.00 nC 0.300 m 0.100 m Ⓡ (a) Find the vector electric field that the q = 6.50 nC and -3.00 nC charges together create at the origin. X Your response differs from the correct answer by more than 10%. Double check your calculations. N/C Î + (b) Find the vector force on the 5.00 nC charge. UN Î+ UN Ĵ N/CĵConsider the point charges shown below. What will be the magnitude and direction of the force on the 1.0µC charge if the -2.0µC and -3.0µC charges are held in place? -2.0 με 16.0 cm (+ 12.0 cm 1.0 μC -3.0 µC Part A The magnitude of the force on the 1.0uC will be: nνα ΑΣφ F = N Submit Request Answer Part B The point charge will experience the force at an angle of: Πνα ΑΣφ ?The diagram below shows two point charges, A & B. The charge of A is 1.9 nC & the charge of B is -7.1 nC. Determine the magnitude & direction of the net E-field at point P. The distance between A & P is 0.31 m & the distance between B & P is 0.41 m. P WebAssign Plot P ●? 14 cm- Part B: Location of zero E-field Two point charges, A & B (qA = -20 μC & qB = 50 μC), are separated by 14 cm. The electric field at point P (see below) is zero. How far from A is P? A Enet = direction of Enet = B o relative to the HORIZONTAL in quadrant 3
- Three charges are located on an x-y axis. q1 has a value of 2.0 mC and is at (0, 3m). q2 has a value of 3.0 mC and is located at the origin. q3 has a value of 4.0 mC and is located at (4 m, 0). Find the magnitude and direction of the force on q1. Don't forget to convert mC to C. Draw a clear diagram!Two positive point charges of Q1-8.3 µC and Q2-5.00 µC are fixed on the x-axis as shown in the figure. Find the magnitude of the net electric force (in N) on a third negative charge of q-2.00 µC placed at the origin. 8.00 cm 1.20 omplease answer the following questions,they are not graded at this time,it was a test from the previous semester.
- Two charges q1 = 4 µC, 92 = -24 µC, are L = 12 cm apart. A third charge is to be placed on the line between the two charges. How far from q1 should the third charge be placed so that the net electric force on the third charge is minimized? cmTwo charges Q1= -48 µC and Q2= -21 µC are placed on the two corners of a square as shown in the figure below. If the side length of the square is a=48 mm, how much work is required to bring a third charge, Q3= -28 µC from infinitely far away to the empty bottom-right corner of the square? Please take k = 9.0 x 109 N.m2/c2 and express your answer using one decimal place in units of J or N.m. Please do not forget to type the minus sign if you got a negative value. Q1 а а а Q2 аTwo charges, qA and qB are placed as shown in the picture below. The charges have the same absolute value, but their signs are opposite у [cm] + x [cm] An electron is placed at the origin. What is the direction of the electric force exerted on the electron due to these two charges? Assume the angle is measured counterclockwise relative to +x axis. Between 180 and 270 Between 90 and 180 Between 270 and 360 Between 0 and 90 degrees
- Two small charged metal spheres, A and B, are separated by a distance r. The charge on Sphere A is +2q and the charge on Sphere B is -6q. A r – B If the two spheres are touched together and then separated again by a distance r, what wilIl be the force acting on Sphere A? Select two answers. Choose a magnitude AND a direction.Questions 8-10 refer to the figure below. 91 а 92 а а 94 а 93 8. Four charges q1 = of the square have a length a. In terms of ke, Q, and a calculate the electric force acting on q1 due to q2, 93, and +Q, q2 = +Q, 93 = –Q, and q4 = -Q are in the corners of a square. The sides 4. A. ke (-0.65ây – 1.35g) C. kQ (0.65 + 1.35ŷ) В. К(-1.352 — 0.659) D. k (1.35â + 0.65ý) a2 a2 9. Four charges q1 = +Q, q2 = +Q, q3 = -Q, and q4 = -Q are in the corners of a square. The sides of the square have a length a. In terms of ke, Q, and a calculate the electric force acting on 2 due to q1, 93, and q4. A. k (0.65â – 1.35ŷ) C. E(-0.65£ + 1.35ŷ) D. g(-1,35 + 0.65ý) Q² B. k (1.35â – 0.65ý) 10. Four charges q1 = +Q, q2 = +Q, q3 = -Q, and q4 = -Q are in the corners of a square. The sides of the square have a length a. In terms of ke, Q, and a calculate the electric force acting on q3 due to q1, 92, and q4. A. k(-0.65â – 1.35g) B. k(-1.35â – 0.65ŷ) D. ke (1.35€ + 0.65ŷ) С. К (0.65 + 1.35)= An electric charge q₁ 38 mC is located at the origin of the (x,y) plane, while another charge q₂ = 6 mC is placed at the position x₂ = 1.6 m, see the picture below. At what position should a third charge q3 be placed so it experiences no net force? y q1 X₁₁=0 The new position of the third charge, x3, new 92 = $2 The position of the third charge, x3 : Solve the same problem with all the same values, but with the opposite sign of the second charge: 9₁ = 38 mC, q2 = -6 mC, and x2 = 1.6 m. X Units Select an answer ✓ Units Select an answer ✓