Spherical shell of inner radius R₁ = 1.38R and outer radius R₂ = 2.69 R is filled uniformly with charge density p. A point charge Q = 3.9q is located at point A a distance 6.09R from the center of the sphere. What is the magnitude of the force acts on the sphere by the point charge. Express your answer in terms of qpR/o using two decimal places. R2 R₁ р A
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- A 1 meter length of coaxial cable has an inner radius of 5 mm and an outer radius of 10 mm. The space between conductors is assumed to be filled with air. The total charge the inner conductor is 41 UC. Answer questions 10 and 11 on 10. The charge density on inner conductor is: CHAR a. 200m uc b. 400m u c. 200 μC 021-Sha A Mayjen 25°C X x 90E 9:35 AM 3/12001A solid disk of radius R = 11 cm lies in the y-z plane with the center at the origin. The disk carries a uniformly distributed total charge Q = 45 μC. A point P is located on the positive half of the x-axis a distance 24 cm from the origin. Refer to the diagram, where the y- and z-axes lie in the plane of the screen and the x-axis points out of the screen. a. Enter an expression for the surface charge density σ in terms of the total charge and radius of the disk. σ = b. Consider a thin ring of the disk of width dr located a distance r from the center. Enter an equation for the infinitesimal charge in this thin ring in terms of Q, R, r, and dr. dQ = c. Calculate the electric potential at P, in kilovolts. V = d. Calculate the magnitude of the electric field at the point P in units of meganewtons per coulomb. E =Part A Find the direction and magnitude of the net electrostatic force exerted on the point charge qy in the figure (Eigure 1) Lot g +2.2µC and d=41cm. Express your answer using two significant figures. VG ΑΣΦ Fuet Submit Part B Express your answer using three significant figures. ON Submit Request Answer 100 ΑΣΦ Provide Feedback Request Answer ? N counterclockwise from g- direction 221
- An infinitely long rod lies along the x-axis and carries a uniform linear charge density λ = 5 μC/m. A hollow cone segment of height H = 27 cm lies concentric with the x-axis. The end around the origin has a radius R1 = 8 cm and the far end has a radius R2 = 16 cm. Refer to the figure. a. Consider the conic surface to be sliced vertically into an infinite number of rings, each of radius r and infinitesimal thickness dx. Enter an expression for the electric flux differential through one of these infinitesimal rings in terms of λ, x, and the Coulomb constant k. b. Integrate the electric flux over the length of the cone to find an expression for the total flux through the curved part of the cone (not including the top and bottom) in terms of λ, H, and the Coulomb constant k. Enter the expression you find. c. Calculate the electric flux, in N•m2/C, through the circular end of the cone at x = 0. d. Calculate the electric flux, in N•m2/C, through the circular end of the cone at x = H. e.…A negative point charge Q1, is located at the origin. A rod of length L is located along the x axis with the near side a distance d from the origin. A positive charge Q2, is uniformly spread over the length of the rod. After integrating the force from each slice over the length of the rod, the magnitude of the electric force on the charge at the origin can be represented as the following: F = (k |Q1| |Q2|) / (d (d + L)) Let L = 2.22m, d = 0.42m, Q1 = -6.29µC, and |Q2| = 11.1µC. Calculate the magnitude if the force in newtons that the rod exerts on the point charge at the origin.esc The nucleus of a 125 Xe atom (an isotope of the element xenon with mass 125 u) is 6.0 fm in diameter. It has 54 protons and charge q = +54e. R 2 R F2 W # 3 80 E $ 4 R Part A What is the electric force on a proton 2.6 fm from the surface of the nucleus? Hint: Treat the spherical nucleus as a point charge. Express your answer with the appropriate units. F= 8.64 Part B μà 1 Submit Previous Answers Request Answer % 5 X Incorrect; Try Again; 4 attempts remaining F5 What is the proton's acceleration? Express your answer with the appropriate units. Value T → HA N 6 C FIC ? Units MacBook Air Y & 7 U * 8 FB ( 9 F9 0 0 P + Review
- Help me solveA 6 µC charge q1 located at the origin cm creates an electric field that fills all of space. A -8 µC charge q2 is brought to the point cm. The 6 µC charge is returned but now the -8 µC charge is moved to cm. What is the new net force extered on q2? Answer as a vector in Newtons.A thin, insulating rod of length Icarries a linear charge density^(x) that varies with distance according to (x)=Ax (in SI units). The location of the origin is shown in the figure. A point charge q is located a distance I from the end of the rod as shown. a. What are the SI units of the constant A? b. Find the force that the rod exerts on q.