Question 3 A 43.0µC charge is at x = -19.Ocm. A -55.0µC charge is at x = +32.0cm. What is the magnitude of the net force (in N) on a -4µC charge placed at the origin? %3D Your Answer: Answer
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- Two charged spheres X, Y are put in contact with a total charge of +12Q. Another charged sphere, Z, came into contact with X and Y. After electrostatic equilibrium among the three, Y is then separated from both X and Z resulting to the final charge of Y as-6Q. Assuming X, Y, and Z are identical in size, what is the original charge of Z? A. –18Q B. -30Q C. 6Q D. -6QA long straight metal rod has a radius of 2.0 mm and a surface charge of density 6 nC/m2. Determine the magnitude of the electric field 3 mm from the axis. A. 452 N/C B. 143.9 N/C C. 904 N/C D. 226 N/C E. O N/CPart a) A +6 nC charge is located 3.6 meters to the right of a +5 nC charge. Determine the magnitude of the electric field at the midpoint of the two charges. Express your answer as a positive number in N/C. Part b) A 10 nC charge generates an electric field within an isolated chamber. At a point a distance d meters away from the charge, the electric field is measured to be 4 N/C. Determine d in meters. Use k=9 x109 for the electric constant.
- A particle with a charge of -60.0 nC is placed at the center of a nonconducting spherical shell of inner radius 20.0 cm and outer radius 23.0 cm. The spherical shell carries charge with a uniform density of -3.31 µC/m3. A proton moves in a circular orbit just outside the spherical shell. Calculate the speed of the proton. 6.644e4 Your response is off by a multiple of ten. m/sThe figure below shows three small, charged beads, all lying along the horizontal axis. Bead A, at left, has a 6.45 nC charge. Bead B has a 1.40 nC charge and is 3.00 cm to the right of A. Bead C has a-2.05 nC charge and is 2.00 cm to the right of B. 3.00 cm 9 9 -Select- 2.00 cm- Q (a) What is the magnitude (in N/C) of the electric field at a point 2.00 cm to the right of A? N/C (b) A fourth bead with a charge of -5.00 nC is placed at this point. What are the magnitude (in N) and direction of the net electric force on it? magnitude N directionA-1.0 nC charge is located at the origin. What is the electric field at the points (1.00 cm , 0), (0, 1.00 cm) and (1.00 cm, 1.00 cm)?
- A point charge, q = -5.0 nC, and m = 2.0 x 10-18 kg, is shot vertically upward with an initial speed of 3.0 x 105 m/s from a thin, infinite, planar sheet of uniform charge with surface charge density of σ = +4.0 . To what vertical elevation will q rise above the sheet of charge? Neglect gravity. a. 6.0 cm b. 8.0 cm c. 5.0 cm d. 4.0 cm e. 7.0 cmA particle of charge 2.0 x 10-8 C experiences an upward force of magnitude 1.5 x 10-6 N when it is placed at a particular point in space. Hint a. What is the electric field at that point? The electric field at that point is N/C. b. If a charge q = The force is in Select an answer direction with magnitude (Use "E notation" to give your answer in scientific notation, e.g. "3.14E-12" for 3.14 x 10-12 .) 3.0 x 107 -8 C is placed there, what is the force on it? Question Help: Message instructor Submit Question Course Chat N. MacBoThin glass rod y Thin plastic disk In the figure shown above, a thin plastic disk of radius 0.6 m is uniformly charged with Qdisk = -3 × 10-7 C and is attached to a thin glass rod of length 2.4 m that is uniformly charged with Qrod = 5 x 10-8 C. The center of the rod and the center of disk are at the origin. The rod lies along the x axis and the disk lies in the yz plane. What is the (vector) electric field at location (0.02, 0.01, 0)m? value of €0 the Given that 8.85 x 10-12 C2/N.m². 1. (52400, -14900, 0) N/C 2. (37500, -52400,0)N/C 3. (-22600, 14900, 0) N/C 4. (-37500, 14900, 0)N/C 5. (-22600, -37500, 0)N/C 6. (-52400, 37500, 0) N/C 7. (37500, -14900, 0) N/C 8. (-14900, -22600, 0)N/C 9. (14900, -37500, 0) N/C 10. (-14900, 37500, 0) N/C
- Plastic beads can often carry a small charge and therefore can generate electric fields. Three beads are oriented such that 92 is between q, and q3. The sum of the charge on q₁ and q₂ is a₁ + a₂ = -7.3 μC, and the net charge of the system of all three beads is zero. E field lines 83 What charge does each bead carry? μC = 915 92" μC UCA 6.6-μC charge is placed at the origin and a second charge is placed on the x-axis at x = 0.1 m. If the resulting force on the second charge is 5.7 N in the positive x-direction, what is the value of its charge? a. 1.0 μC b. 1.0 nC c. –1.0 μC d. –1.0 nC e. 0 μCYou have a cube with a 6uC charge in the center. Each of the cube's sides is 12cm long.What is the flux through one of the faces of the cube?A. 2.54 x105 Mm-B. 1.13 x105 MmC. 1.78 x103 Mm-D. O Mm