For the dumbbell in the figure, let m = 0.02 kg, the distance between the masses is 0.5 m, and E = (600 N/C) î. Initially the dumbbell is at rest and makes an angle of 60° with the x axis. The dumbbell is then released, and when it is momentarily aligned with the electric field, its kinetic energy is 1.2  10-2 J. Determine the magnitude of q.

Q: Suppose an electron traveling with speed v0v0 = 1.10×107 m/sm/s enters a uniform electric field E⃗…

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Q: Compute for the work done, in millijoules, in moving a 3-nC charge from A(4, 0, 0) m to B(4, 0, 0) m…

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A:

Q: A block having mass m = 4 kg and charge q = 50 µC is connected to a spring having a force constant k…

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Q: Two particles with Q1 = 48 µC and Q2 = 91 µC are initially separated by a distance of 2.2 m and then…

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Q: An electron is released from rest from point P in a region filled with a uniform electric field…

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Q: At some instant the velocity components of an electron moving between two charged parallel plates…

A: As per our guidelines, we will solve only first question for you. To get remaining question solved…

Q: A small sphere with mass 9.00 ug and charge -4.30 μC is moving in a circular orbit around a…

A:

Q: 1. V E (a) Calculate is the change in PE when an electron moves through an electric field, E = 50…

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Q: What is the work required to rotate an electric dipole by 180º in a uniform electric field of…

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Q: A point charge, q = -8.0 µC, moves for a distance of 80 cm at an angle of 900 relative to the…

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Q: A 70.0-g block carrying a charge Q = 31.0 µC is connected to a spring for which k = 72.0 N / m. The…

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Q: A particle with charge q = +1e and mass m = 8.5 × 10-26 kg is injected horizontally with speed 2.5 ×…

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Q: A block having mass m = 4 kg and charge q = 50 µC is connected to a spring having a force constant k…

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Q: A proton, mass 1.67 x 10-27 kg, is projected horizontally midway between two parallel plates that…

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Q: A particle with charge q = +5e and mass m = 6.5 × 10-26 kg is injected horizontally with speed 2.8 ×…

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Q: A small object is connected to a lightweight cord of length L=1.20 m that is tied to a point P, as…

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Q: A proton enters a parallel-plate capacitor traveling to the right at a speed of 1.280 10-5 m/s, as…

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Q: a proton is projected horizontally midway between two parallel plates that are separated by 0.5 cm.…

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Q: A particle (m = 70 mg, q = -5.0 µC) moves in a uniform electric field of 60 kN/C in the positive…

A:

Q: A uniform electric field of magnitude 356 N/C pointing in the positive x-direction acts on an…

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Q: A negatively charged particle is moving to the right with speed v when it enters a region with a…

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Q: A proton moves at 5.20 x 10° m/s in the horizontal direction. It enters a uniform vertical electric…

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Q: A point charge, q = -8.0 µC, moves for a distance of 80 cm at an angle of 900 relative to the…

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Q: The dipole moment in a 600 N/C electric field is initially perpendicular to the field, but it…

A:

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.