Calculate the work required to take one of the charges and to move it away to infinity, in J.
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Consider a square of charges of side length 4.4 m. Each corner of the square has an identical 6.6 x 10-4 C charge. Calculate the work required to take one of the charges and to move it away to infinity, in J. Use k = 9 x 109 N m2 / kg2. Your answer could be positive or negative.
(Please answer to the fourth decimal place - i.e 14.3225)
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- Two uncharged spheres are separated by 3.50 m. If 1.10 ✕ 1012 electrons are removed from one sphere and placed on the other, determine the magnitude of the Coulomb force (in N) on one of the spheres, treating the spheres as point charges.Five pairs of isolated electric point charges are established. The charges and separation of each set are given below. Rank the pairs of charges from most repulsive force to most attractive force. (Use only ">" or "=" symbols. Do not include any parentheses around the letters or symbols.) +5.00 µC and −5.00 µC, +2.50 m apart +10.0 µC and −5.00 µC, +5.00 m apart +5.00 µC and −5.00 µC, +1.25 m apart −5.00 µC and −5.00 µC, +2.00 m apart +5.00 µC and +5.00 µC, +2.50 m apart. 1. Calculate the amount of work done to dissociate a system of three charges 1 µC, 1 µC and - 4 µC μC placed on the vertices of an equilateral triangle of side 10 cm.
- Two uncharged spheres are separated by 2.50 m. If 2.20 ✕ 1012 electrons are removed from one sphere and placed on the other, determine the magnitude of the Coulomb force (in N) on one of the spheres, treating the spheres as point charges.You have 3 charges, each with magnitude 28 C. One charge sits at (x,y)=(0,0) one at (x,y)=(0.6,0), and one at (x,y)=(0,0.6). All distances are in metres. Find the net force on charge 28 C that is placed at (x,y)=(0.6,0.6) ____________ i + ____________ j N. Find the net force on a charge 28 C that sits at (x,y)= (0,3.9) ____________ i + ____________ j N.A point charge of 7.19x10^-6 C is at the origin while a second point charge of -6.87x10^-6 C is at the coordinates (0.58,0.32) meters. In degrees relative to he positive x direction, what's the direction of the force exerted on the charge at the origin?
- Jwo metal spheres, each of radius 4.2 cm, have a center-to-center separation of 1.9 m. Sphere 1 has a charge of + 1.5 x 10 C; sphere 2 has a charge of - 3.4 x 10 C. Assume that the separation is large enough for us to assume that the charge on each sphere is uniformly distributed (the spheres do not affect each other). With V = 0 at infinity, calçulate in volts (a) the potential at the point halfway between their centers and the potential on the surface of (b) sphere 1 and (c) sphere 2. (a) Number i Units (b) Number i Units (c) Number i UnitsTwo charges Q=29µC and Q2=-.56µC are placed on a semi-circle with a radius R=11mm as shown in the figure below. How much work must be done to bring a third charge Q3=6µC from infinity to point P. Express your answer in units of Joules using zero decimal places. Take Coulomb constant as k=9.0x109 N.m2/c2. Please do not forget the minus sign if your answer is negative. Q2 Q1 R PA 5 g dust particle has a charge of 7 ?C and is suspended between two oppositely charged parallel plates as shown below. The distance between the particle & the edges of the plates is much greater than the distance between the plates. Each plate has the same constant uniform charge density. (note: Top plate is negative and bottom is positive) Find the voltage between the plates. V=
- The gecko in the photo is sticking upside down to a smooth ceiling. The remarkable adhesion might be due to static electricity. Gecko feet are covered with microscopic hairs. When these hairs rub against a surface, charges separate, with the hair developing a positive charge and negative charge forming below the surface. There is an attractive force between the separated charges. This is an effective means of adhering to a surface, but it comes at a cost: Two planes of charge are like two charged plates of a capacitor, which takes energy to charge. Doubling the amount of charge on each surface increases the attractive force, but also increases the energy required to separate the charge. By what factor does this energy increase?Two uncharged spheres are separated by 3.50 m. If 1.40 ✕ 1012 electrons are removed from one sphere and placed on the other, determine the magnitude of the Coulomb force (in N) on one of the spheres, treating the spheres as point charges.Two uncharged spheres are separated by 2.70 m. If 2.00 ✕ 1012 electrons are removed from one sphere and placed on the other, determine the magnitude of the Coulomb force (in N) on one of the spheres, treating the spheres as point charges _______________N