Two point charged objects A (with charge qa = +4µC) and B (with charge qB = +7µC) are separated by a distance 2d. Therefore, Coulomb force on A and B created as FAB and FBA where ma and mg are the mass of A and B, may be expressed as O FAB / FBA =(7/4)2 O FAB / FBA = 7/4 O FAB / FBA = 1 O FAB / FBA = 4/7
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Q: objects A (with charge qA = +4µC) and B (with charge qB = +7µC) are separated by a distance 2d.
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- A 38-g ball of copper has a net charge of 1 μC. What fraction of the copper's electrons have been removed? (Each neutral copper atom has 29 protons and 29 electrons, and copper has an atomic mass of 63.5 a.m.u.)Three charges are placed along the x-axis: q1 = 3.00 µC at X1 = -20.0 cm, q2 = -5.00 µC at x2 = 10.0 cm, and q3 = 6.00 µC at x3 = 25.00 cm. Determine the magnitude of the electric field at the origin. O 4 69x106 N/C O 2 96x106 N/C O 6 04x106 N/C O 4.31x106 N/CThree 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 factory is spray-painting large sheets of metal electrostatically. The sheets have dimensions of 2.4 m by 2.4 m and are charged with 0.82 mC. A 10 kg drum of paint is charged with -89 μCμC, and the spray nozzle produces uniform droplets of 2.4 g. Assume that all charge is distributed uniformly on the sheet and in the paint and no charge is lost during the spraying process. Determine the magnitude of acceleration the paint droplets feel due to the metal sheet. Give your answer in units of ms2ms2.Two charges are located on the x axis: q₁ = +5.6 μC at x₁ = +4.9 cm, and q2 = +5.6 μC at x2 = -4.9 cm. Two other charges are located on the y axis: q3= +3.8 μC at y3 = +4.7 cm, and 94 = -11 μC at y4=+7.6 cm. Find (a) the magnitude and (b) the direction of the net electric field at the origin. (a) Number i (b) The net electric field points Units 94 92 --+xGiven the magnitude of an electric field directed downward equals 100 N/C. If two point charges (qA and qB), qA=2000 V and qB= 1000V. The charges are located 10 cm apart. What is the field strength at qA?
- Four point charges, q1 = 8.2 uC, q2 = -7.8 uC, q3 = 1.7 uC and q4 = -5.9 uC, are arranged in a square with side lengths L = 7.5 cm. What is the magnitude of the electric field at the centre of the square?An electric dipole consists of a particle with a charge of +5.4x106 C at the origin and a particle with a charge of -5.4 x 10-6 Con the x axis at x = 9.7x 10 m. Its dipole moment is: O 5.24e-8 O 5.24e-5 5.24e-7 0.00Two fixed positively charged balls (q 1 = 1 × 10-ºC; q 2 =?) are separated by a distance d = 0.3 m. If the Coulomb force between the two charges is F = 10-6N, then the charge q2 is equal to: (ke = 9 × 10° N.m²/C²) 10^-9 C 10^-8 C 10^-7 C 10^-2 C 10^-6 C
- 00:59 1/10 A line of positive charge is formed into a semicircle of radius R = 25 cm, as shown in figure. The charge per unit length along the semicircle is described by the expression A = total charge on the semicircle is 10 µC. 9 do cos 0. The Find the value of constant Ao. 10 μC/m 8 µC/m 7.5 µC/m O 20 µC/m O 6.25 µC/m Paylaşmayı durdur Gizle I| itu.witwises.io, ekranınızı ve sesinizi paylaşıyor. W EXCALIBURSuppose a speck of dust in an electrostatic precipitator has 8.0000 × 10+" protons in it and has a net charge of 2.00 nC (a very large charge fọr a small speck). How many electrons does the speck have? Include 5 significant figures in your answer. For this problem, use e = 1.6022 × 10¬1º C as the fundamental charge. n = number (5 significant figures)