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An electric field (E = 150i + 200j (N/m)) is applied in a region where a proton is moved from an initial position (x, y) = (-2.0, +3.0) meters into a final position (x, y) = (+5.0, +2.0) meters. Find the change in electric potential and the change in the potential energy of the proton. If a particle has twice the charge of the proton is moved between the two points, find what would be the new value of the potential difference?
The electric field at the surface of a charged, solid, coppersphere with radius 0.210 m is3380 N/C directed toward the center ofthe sphere. What is the potential at the center of the sphere, ifwe take the potential to be zero infinitely far from thes..
A proton is on the x axisat x = 1.2 nm. An electron is onthe y axisat y = 0.66 nm. Find the net force the two exert on ahelium nucleus (charge +2e) at the origin. i need theforces in vector i and j form. Try following the solution but myanswer is com..
The wire is cut at point P. Will the potential difference between points A and B increase, decrease, or remain the same? Give reason for.
An electron with a speed of 5.83 x 108 cm/s enters an electric field of magnitude 4.92 x 103 N/C, traveling along the field in the direction that retards its motion.
A 51.0 kg woman balances on one heel of a pair of high-heeled shoes. If the heel is circular and has a radius of 0.400 cm, what pressure does she exert on the floor
An unstable elementary particle comes in two varieties, one with positive and one with negative electric charge, What is the difference (R+)-(R-) between the two rates, with its error
A child slides down a snow covered slope that makes an angle of 20 degrees with the horizontal. At what angle would the child slide with constant speed
A brass lidscrews tightly onto a glass jar at 20°C. To help open the jar,it can be placed into a bath of hot water. Find the size of the gap (difference in radius) that develops by this procedure
A bullet is fired through a board 10.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board, Find the acceleration of the bullet as it passes through the board
During a lunar eclipse, the Moon, Earth, and Sun all lie on the same line, with the Earth between the Moon and the Sun. The Moon has a mass of 7.36 × 1022 kg; Calculate the force exerted on the Earth by the Sun
Two charged bodies separated by a distance d exert an electrical force on each other. The charge on one of the bodies is doubled. The electrical forces on each body now
A light source for light scattering has a resistance of 160Ω. A DC voltage of 100 Volt is attached across it. Find the current through the source
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