A non-conducting sphere with a radius of a is placed inside a cocentric conducting spherical shell. A total charge q is distributed uniformly throughout the volume of the non-conducting sphere (shown in color blue in the figure). The conducting shell (shown in color gray in the figure) with a total charge of -3q has an inner radius of a=0.6 m and outer radius of b =1 m. q=8,5 nC. (Take Coulomb's constant as k = 9 x 10° Nm²/C²) D) What is the magnitude of the electric potential at a point 2 m away from the center of the objects? Give your answer in Nm / C.
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- (a) A small amber bead with a mass of 14.4 g and a charge of -0.65 μC is suspended in equilibrium above the center of a large, horizontal sheet of glass that has a uniform charge density on its surface. Find the charge per unit area on the glass sheet (in μC/m²). μC/m² (b) What If? What are the magnitude and direction of the acceleration of the piece of amber if its charge is doubled? (Enter the magnitude in m/s².) magnitude m/s² direction -Select---Three charged marbles are glued to a nonconducting surface and are placed in the diagram as shown. The charges of each marble are q₁ = 6.70 µC, 92 = 1.01 µC, and q3 = -2.27 μC. Marble q₁ is a distance r₁ = 3.00 cm to the left of the marble 92, while marble q3 is a distance r3 = 2.00 cm to the right of the marble q2, as shown. Calculate the magnitude of the electric field a distance r' = 1.00 cm to the left of the center marble. N/C y K t * 91 92 observation point ---Select--- V 93 Another marble is placed 1 cm to the left of the middle marble. If this new marble has a charge of -3.71 µC, calculate magnitude and direction of the force on it. magnitude direction N 7₂=0mTwo parallel, thin, L×L�×� conducting plates are separated by a distance d�, as shown. Let L=�=2.5 m, and d=�=2.0 mm. A charge of ++6.5μC�C is placed on one plate, and a charge of −−6.5μC�C is placed on the other plate. a) What is the magnitude of charge density on the inside surfae of each plate in Coulombs per squae meter? b) What is the magnitude of the electric field between the plates? I was able to find the charge density easily. I am not certain about the electric field.
- Three charged marbles are glued to a nonconducting surface and are placed in the diagram as shown. The charges of each marble are q1 = 6.20 µC, q2 = 1.43 µC, and q3 = −2.01 µC. Marble q1 is a distance r1 = 3.00 cm to the left of the marble q2, while marble q3 is a distance r3 = 2.00 cm to the right of the marble q2. Calculate the magnitude of the electric field a distance r' = 1.00 cm to the left of the center marble.N/C Another marble is placed 1 cm to the left of the middle marble. If this new marble has a charge of 3.62 µC, calculate the magnitude and direction of the force on it.A solution contains 5.62E11 Cl– ions and 1.35E11 Ca2+ ions. What is the total net charge in the solution (in Coulombs)?A thick, conducting, spherical shell with inner radius 0.5 m and outer radius 1.5 m has a net charge 5 C. Also, there is a 3 C point charge at the center as shown. Calculate the surface charge density on the outer surface of the thick conducting shell. Answer in C/m² (Coulomb per square meter). 5 С 3 C 0.5 m 1.5 m
- Early in the 20th century, a leading model of the structure of the atom was that of English physicist J. J. Thomson (the discoverer of the electron). In Thomson’s model, an atom consisted of a sphere of positively charged material in which were embedded negatively charged electrons, like chocolate chips in a ball of cookie dough. Consider such an atom consisting of one electron with mass m and charge -e, which may be regarded as a point charge, and a uniformly charged sphere of charge +e and radius R. By that time time, it was known that excited atoms emit light waves of only certain frequencies. In his model, the frequency of emitted light is the same as the oscillation frequency of the electron (s) problems in the atom. What radius (in millimeter) would a Thomson-model atom need for it to produce red light of frequency 4.57 x 1014 Hz? (Don't express your answer in scientific notation)Three charged marbles are glued to a nonconducting surface and are placed in the diagram as shown. The charges of each marble are q = 6.30 µC, 92 = 1.93 pC, and 93 = -2.20 pC. Marble q, is a distance r = 3.00 cm to the left of the marble q2, while marble q3 is a distance r3 = 2.00 cm to the right of the marble q2, as shown. Calculate the magnitude of the electric field a distancer = 1.00 cm to the left of the center marble. N/C observation point Another marble is placed 1 cm to the left of the middle marble. If this new marble has a charge of -3.60 pC, calculate magnitude and direction of the force on it. magnitude direction -Select vA conducting spherical shell has inner and outer radii r = 0.12 m and = 0.15 m, respectively. As shown in the figure, a concentric insulating sphere of radius r = 0.05 m is located inside the spherical shell. The insulating sphere has a charge of 10,7 nC uniformly distributed over its volume and the conducting shell has a charge of -2 nC. (Take Coulomb's constant as k 9GNm²/C2. Note that nC 10 °C, GN= 10' N) rb (c) Determine the magnitude of the electric field at point P, a distance rp = 0.10 m from the center of the insulating sphere, in N/C. A conducting spherical shell has inner and outer radii = 0.12 m and r = 0.15 m. respectively. As shown in the figure, a concentric insulating sphere of radius r. = 0.05 m is located inside the spherical shell. The insulating sphere has a charge of 10,7 nC uniformly distributed over its volume and the conducting shell has a charge of -2 nC. (Take Coulomb's constant as k = 9GNm²/C². Note that nC 10 °C, GN - 10°N) rb rc o. P (b) Calculate the…