A point charge with charge q1 = 2.20 μC is held stationary at the origin. A second point charge with charge q2 = -4.80 μC moves from the point ( 0.115 mm , 0) to the point ( 0.290 mm , 0.250 mm ). How much work W is done by the electric force on the moving point charge?

A 2.0 µC charge is placed in air. How much work needs to be done to carry a 0.05 µC of charge from a distance of 50 cm to 10 cm around the 2.0 µC charge? (Work W = qtest ∙∆V) Group of answer choices 7.2 kJ 7.2 mJ 0.072 J 7.2 J

A point charge with charge q1 = 2.20μC is held stationary at the origin. A second point charge with charge q2 = -4.10 μC moves from the point ( 0.105 m , 0) to the point ( 0.275 m , 0.255 m ). How much work W is done by the electric force on the moving point charge?   W = ? J

In the rectangle in Figure, the sides are 5.0 cm and 15 cm long, q1 = -5.0 uC, and q2 = +2.0 uC. With V = 0 at infinity, %3D %3D B 42 c. How much work is required to move a charge q3 = +3.0 C from B to A along the diagonals of the rectangle? d. Does this work increase or decrease the electric potential energy of the three- charge system? e. What is the work required if q3 is moved along a path that is inside the rectangle but not on a greater, lesser, or equal diagonal? f. What is the work required if q3 is moved along the path outside the rectangle is 2/6 greater, less, or equal?

In the figure point P is at a distance d = 4.63 m from particle 1 (q = -5e) and distance d = 3.13 m from particle 2 (q2 = +5e), with both particles fixed in place. (a) With V =0 at infinity, what is V at P? If we bring a particle of charge q3 = +5e from infinity to P, (b) how much work do we do and (c) what is the potential energy of the three-particle system? %3D %3D 92 (a) Number Units (b) Number

In Figure (a), we move an electron from an infinite distance to a point at distance R = 9.20 cm from a tiny charged ball. The move requires work W = 2.75 x 10-13 J by us. (a) What is the charge Q on the ball? In Figure (b), the ball has been sliced up and the slices spread out so that an equal amount of charge is at the hour positions on a circular clock face of radius R = 9.20 cm. Now the electron is brought from an infinite distance to the center of the circle. (b) With that addition of the electron to the system of 12 charged particles, what is the change in the electric potential energy of the system? (a) Number i (b) Number i |-R- (a) Units Units (b)

A point charge q₁ = -5.8 μC MC is held stationary at the origin. A second point charge q₂ = + 4.3 μC moves from the point (0.26 m, 0, 0) to (0.38 m, 0, 0). How much work is done by the electric force on q₂?

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A point charge q, = 5.28 x 106C is held fixed at the origin of a coordinate system. A second charge q2 = -3.96 x 106 C is initially at the coordinates (0.149, 0) m and is then moved to the coordinates (0.211, 0) m. What change in potential energy results from moving q2?

A point particle has a charge equal to +1.90 µc and is fixed at the origin. (a) What is the electric potentialv at a point 3.60 m from the origin assuming that V = 0 at infinity? kV (b) How much work must be done to bring a second point particle that has a charge of +2.40 µC from the infinity to a distance of 3.60 m from the +1.90-uC charge? m)