3. Each of the following parts involves a comparison of the net electric force exerted on a positivecharge+q in two different cases.a.In cases A and B shown at right there aretwo positive point charges +Q each adistance s away from a third positive pointcharge +q.Is the net electric force on the +q charge incase A greater than, less than, or equal tothe net electric force on the +q charge incase B? Explain.b. In case C, two positive point charges +20are each a distance s away from a thirdpositive point charge +q. In case D, fourpositive point charges +Q are each adistance s away from a fifth positive pointcharge+q. (The angle a shown is thesame in both cases.)Is the net electric force on the +q charge incase C greater than, less than, or equal tothe net electric force on the +q charge incase D? ExplainTutorials in Introductory PhysicsMcDermott, Shaffer, and the P.E.G., U. Wash.Charge+q o1Ta1+q o1Case AiCase CC.In case E a positive point charge with +Q isa distance s away from a second positivepoint charge+q. In case F ten positivepoint charges, each with charge +Q/10, liealong an arc of radius s centered on apositive point charge +q.Is the net electric force on the +q charge incase E greater than, less than, or equal tothe net electric force on the +q charge incase F? Explain.+Q+20+20+q+q o+qoiNameCase E11Case BPearsonCustom 2nd Ed., for U.CO, BoulderαCase D+q oCase

The positive charge is +q +4 charge is on every point.

Answered: 3. Each of the following parts involves…

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Consider the isosceles triangle below.a. Draw the diagram of forces on sphere A by applying the laws of electric forces if spheres B and C have negative charges and sphere A has a positive charge.b. Using vector decomposition, calculate the net electric force acting on sphere A if it has a charge of +3 x10^-6 C, if sphere B has a charge of -1.2 x10^-6 C and if the sphere C has a charge of -2.5x10^-6 C. The angle A is 78.5 degrees.
Three point charges are shown below. q1 = 2.0 µC, q2 = 4.0 µC, and q3 = -1.0 µC. d₁ = 2.0 cm and d2 = 1.0 cm. What is the magnitude of the net electric force on q₁ in Newtons? Use K = 9.0 x 10⁹ Nm²/C² Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. 91 d₁ 92 + dą 93
2. A third charge, Q3, is added to the other two: Q3 F₁ 3 m Q2 = +3 μC Q1 = +6 μC 4 m A. The electric force on Q₁ is now acting to the upper left, at a 45° to the vertical (as shown above). Calculate the unknown charge Q3. B. Using your answer in part (A), determine the electric force acting on Q2. You may answer in vector component form (i.e. F2 = Fx, Fy) 45°
1. What is the magnitude of the electric force between two positive charges, Q1=Q=1µC, five meters apart? 2. Three charged particles are arranged in a line as below. Calculate the net electrostatic force on particle 3 (the -4.0µC on the right) due to the other two charges. -0.30 m -0.20 m-| Q1 = -8.0 μC Q2 = Q3 = %3D 43.0 μC-4.0 μC 3. Calculate the magnitude and direction of the electric field at a point P which is 30 cm to the right of a point charge Q = -3.0µC.
3. A hollow, conducting sphere is initially uncharged. A positive charge, +9₁, is placed inside the sphere, as shown in the figure below. Then, a second positive charge, +q2, is placed near the sphere but outside it. Which of the following statements describes the net electric force on each charge? +9₂ A. There is a net electric force on +91 but not on +92. B. Both charges are acted on by a net electric force with the same magnitude and in the same direction. C. Both charges are acted on by a net electric force with the same magnitude but in opposite directions. D. There is a net electric force on +q2 but not on +9₁.
The diagram at the right shows three charges positioned to form an equilateral triangle. Each side has a length of 46 cm and each charge has a positive charge of 7.8 nC. Determine the magnitude and direction of the net electric force exerted upon the charge at point P at the top of the triangle.
EM -86 Charge 5. A thin semicircular rod like the one in problem 4 is broken into two halves. The top half has a total charge + Q uniformly distributed along it, and the bottom half has a total charge -Q uniformly distributed along it. On the diagram, indicate the direction of the net electric force on a positive test charge placed in turn at points A, B, and C. Explain how you determined your answers. 6. A positive point charge +q is placed near an uncharged metal rod. Sketch the charge distribution on the rod. b. Is there a non-zero net electric force on the rod? Explain. a. +q A C. Is there a non-zero net electric force on the point charge? Explain. +Q B с :) Uncharged metal rod
Part A Use Coulomb's law to determine the magnitude of the electric field at points A and B in (Figure 1) due to the two positive charges (Q = 4.9 µC ) shown. Suppose that a = 5.9 cm. Determine the magnitude of the electric field at A. Express your answer to two significant figures and include the appropriate units. ? EA = Value Units Submit Request Answer Figure < 1 of 1 Part B Determine the angle between the direction of the electric field at point A and the positive x-direction. B A Express your answer using two significant figures. +Q +Q OA = a a 2a Submit Request Answer
Three charges are placed as shown below: Q1 = Q2 = +5.0 μC andq = -2.0 μC. Draw the free-body diagram (FBD). ii. Determine themagnitude and direction of the net electrostatic force on charge Q2.