(a) How strong is the attractive force between a glass rod with a 0.700 μC charge and a silk cloth with a –0.600 μC charge, which are 12.0 cm apart, using the approximation that they act like point charges? (b) Discuss how the answer to this problem might be affected if the charges are distributed over some area and do not act like point charges.

Q: Two uncharged spheres are separated by 3.00 m. If 3.20 ✕ 1012 electrons are removed from one sphere…

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Q: Two small spheres spaced 20.0 cm apart have equal charge. How many excess electrons must be present…

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Q: Point charges of 5.00 µC (micro coulombs) and –3.00 µC are placed 0.250 m apart. Where can a third…

A: The third charge should be placed to the right of -3 micro Coulomb Charge.

Q: How strong is the attractive force between a glass rod with a 0.700 micro-Coulomb charge and a slik…

A: Coulomb's law: F=kq1q2r2 Force is directly proportional to the magnitude of the charges and…

Q: Two point charges of q1=+2μC and q2=−8μC are at a distance of d=10cm. Where must a third charge q3…

A: The two charges are, q1=+2 μC=+2×10-6 Cq2=-8 μC=-8×10-6 C Distance between them is d = 10 cm = 0.1 m…

Q: When two point charges are a distance d part , the electric force that ea h one feels from the…

A: The magnitude of Coulomb force between two charges,

Q: pe your solution or attach a photo your so 21.84 CP A small sphere with mass 9.00 µg and charge…

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Q: Calculate the net charge at 7.0 µC located at the peak of an equilateral triangle.

A: The net Force at 7.0 micro coulomb is 0.873 N

Q: Two identical spheres initially carrying charges of -20 mC and +50 mC make contact for only a few…

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Q: Two uncharged spheres are separated by 1.80 m. If 2.50 ✕ 1012 electrons are removed from one sphere…

A: Given data: Number of electrons (n) = 2.50 × 1012 Distance between spheres (r) = 1.80 m Required:…

Q: Find the electric field at the point P that is a distance perpendicular to, of a non-conductive bar…

A: E= 2x 9 x109 x 12 x 10-6 x 2.5/ a(2.52+a2 ) E= 5.4 x 105 1a(2.52+a2)

Q: Two uncharged spheres are separated by 2.00 m. If 3.50 x 1012 electrons are removed from one sphere…

A: The expression for the Coulomb force is,

Q: Why is the charge in air temperature negligible, while the change in temperature of hot cocoa more…

A: Flow of heat  into a body increases its temperature and flow of heat  out of body causes  decrease…

Q: Consider the point charges arranged at the corners and at the center of a square, as depicted in the…

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Q: During a thunderstorm, why can a much greater flow of charge proceed along the path of the leader…

A: A large amount of voltage between the base of the cloud and the earth creates an initial charge flow…

Q: Two uncharged spheres are separated by 3.20 m. If 3.90 ✕ 1012 electrons are removed from one sphere…

A: The charge q is given by; q=ne Here, n is number of electron and e is charge of electron.

Q: Two uncharged spheres are separated by 3.40 m. If 3.70 ✕ 1012 electrons are removed from one sphere…

A: Given information:

Q: How strong is the attractive force between a glass rod with a 0.007uc charge and a silk cloth with a…

A:

Q: Two uncharged spheres are separated by 3.40 m. If 4.30 ✕ 1012 electrons are removed from one sphere…

A: The equation for the magnitude of the Coulomb force between two point charges is given by,

Q: Four point charges (two with q = 2.5 X10^-6 C and two with q = -2.50x10^-6 C ) are situated at the…

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Q: If the mass of a balloon is 1.7 gg, its coefficient of static friction with the wall is 0.69, and…

A: Normal force equals the electrostatic force of attraction between the charged balloon and charged…

Q: I. Find the magnitude of the force on a charge of 1µC held at P due to two charges of-2 x 10-8C and…

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Q: Consider two point charges whose initial separation decreases so as to increase the force between…

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Q: A 12 µC charge is placed at the center of a hollow conducting sphere that contains 6.0 µC of charge.

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Q: An electroscope is a simple device. It con- sists of a metal ball that is attached by a conductor to…

A: We are given an electroscope. We need to explain the reason why the gold leaves spring apart when…

Q: Two uncharged spheres are separated by 3.50 m. If 1.10 ✕ 1012 electrons are removed from one sphere…

A: The separation between the two spheres, r=3.50 m The number of electrons removed, n=1.10×1012 Known…

Q: Given two point charges, Q and 2Q, a distance l apart, is there a point along the straight line that…

A: Given data: Charge 1 = Q Charge 2 = 2Q Distance = l

Q: Two point charges, q =-1.0 x 10 C and q2 = +4.0 x 10 C, are separated by a distance of 3.0 m. Find…

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Q: I wo small similar pith balls are 3 cm. apart in air and carry charges of 3 x 10-9 and 12 > 10-9…

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Q: two uncharged spheres are separated by 2.00 m. if 3.50 3 1012 electrons are removed from one sphere…

A: Given : r = 2.00 m N = 3.50 x 1012 electrons

Q: Two charged spheres are 5.86 cm apart. They are moved, and the force on each of them is found to…

A: Given data:  Initial distance (r) = 5.86 cm Final distance after moved (rnew ) =? The new force have…

Q: How strong is the attractive force between a glass rod with a 0.300 μC charge and a silk cloth with…

A:

Q: A positive charge q = 3.00 uC on a frictionless horizontal surface is attached to a spring of torce…

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Q: What is the Magnitude in N of two charges of +0.90 C and +4.0 C, respectively, if they are separated…

A: When two charges are placed at a finite distance apart they experience electrostatic force in…

Q: Two uncharged spheres are separated by 3.50 m. If 1.40 ✕ 1012 electrons are removed from one sphere…

A: Given data:  Initially both spheres are uncharged  Distance (r) = 3.50 m Number of electrons removed…

Q: What would be the magnitude of the electrostatic force between two 1.00 C point charges separated by…

A: The magnitude  of force between two charge magnitude q1 and q2 (in C) separated by a distance  r (in…

Q: Two uncharged spheres are separated by 2.80 m. If 4.30 ✕ 1012 electrons are removed from one sphere…

A: Given : r = 2.80 m N = 4.30 x 1012

Q: Two uncharged spheres are separated by 2.50 m. If 3.10 ✕ 1012 electrons are removed from one sphere…

A: Separation between uncharged spheres r = 2.50 m Number of electrons n = 3.10 ✕ 1012 Coulomb force…

Q: -6 -6 Four point charges (two with q = +2.5 × 10' C and two with q = -2.5 x 10' C) are situated at…

A: Given : q = 2.5 × 10-6 C , q = -2.5 × 10-6 C  Distance between two charges , r = 2 m  Find :…

Q: Two point charges are placed on the x-axis as shown. Let Q = 3 µC and a = 5 m Y T* A В X -X +Q

A: Given: Q=3 μCa=5 m The diagram of the electric field is given below. Here, the magnitude charge and…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.