At location C there is an electric field in the direction indicated, due to charges not shown. E A chloride ion (CI) is placed at location C. What is the direction of the electric force on the chloride ion? A B D C
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- Ā In the diagram below, the E-field at point P is zero. Particles A & B are charged; QA = 7 μC & qB = 567 μC. A & B are 19 m apart. Determine x (the distance between A & P) and magnitude of the E-force between A & B. x (the distance between A & P) = AO----- magnitude of the E-force between A & B =Part A What must the charge (sign and magnitude) of a particle of mass 1.40 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 630 N/C ? Use 9.80 m/s? for the magnitude of the free-fall acceleration. > View Available Hint(s) ? C Submit Request Answer Part B What is the magnitude of an electric field in which the electric force on a proton is equal in magnitude to its weight? Use 1.67x10-27 kg for the mass of a proton, 1.60x10-19 C for the magnitude of the charge on an electron, and 9.80 m/s? for the magnitude of the free-fall acceleration. • View Available Hint(s) Π ΑΣφ N/CWhich of the following is the convention used for test charges to measure the electric field in a region? O The charge should be negative and as large as possible. O The charge should be positive and as large as possible. O The test charge should be positive and as small as possible. O The charge should be negative and as small as possible.
- Item 6 Part A We can define the electric field at a point as the electric force per unit charge. the product of the charges divided by the distance between them. the electric force for every area of charge. the electric force experienced at that given point.Two charges, of magnitude-Q and +4Q, are located as indicated in the diagram above. Expain why the electric field due to these two charges be zero in A?B9
- A +2.2 nC charge is at the origin and a -7.0 nC charge is at x = 1.4 cm. ▼ Part A At what z-coordinate could you place a proton so that it would experience no net force? Express your answer with the appropriate units. ▸ View Available Hint(s) Submit Part B no Value yes Submit μà Would the net force be zero for an electron placed at the same position? View Available Hint(s) Provide Feedback Units ?A sphere with a radius of 1.5cm hangs by an insulating thread. The sphere is attracted to a positively charged rod held near the sphere. a) If the ball is made of an insulating material, what can you say about the charge on the sphere? Be specific and explain your answer. b) If the ball is made of a conducting material, what can you say about the charge on the sphere? Be specific and explain your answer.▼ Part A A charge 5.01 nC is placed at the origin of an xy-coordinate system, and a charge -2.00 nC is placed on the positive x-axis at x = 3.96 cm . A third particle, of charge 6.02 nC is now placed at the point x = 3.96 cm , y = 2.96 cm . Find the x-component of the total force exerted on the third charge by the other two. Express your answer in newtons. ΗV ΑΣφ ? Fa = N %3D Submit Request Answer Part B Find the y-component of the total force exerted on the third charge by the other two. Express your answer in newtons. ? Fy = N
- In a vacuum, two particles have charges of 91 and 92, where q1 = +5.0 μC. They are separated by a distance of 0.31 m, and particle 1 experiences an attractive force of 3.9 N. What is the value of 92, with its sign? Number Units CA point charge is placed at each corner of a square with side length a. All charges have magnitude q. Two of the charges are positive and two are negative. What is the direction of the net electric field at the center of the square due to the four charges, and what is its magnitude in terms of q and a? E 20° 0.400 m -0.600 mIf this charge is replaced with a -2.7μC charge, what is the magnitude of the force will it experience? Express your answer using two significant figures. |F| = Submit Part B 15. ΑΣΦ VO Request Answer Find the direction of the force in this case. Submit O in the positive y direction in the negative y direction O in the negative a direction O in the positive a direction Request Answer ? N