Three point-like charges are placed at the corners of a
rectangle as shown in the figure, a = 30.0 cm and b = 68.0 cm. Find
the minimum amount of work required by an external force to move
the charge q2 to infinity. Let q1 = −2.90 µC, q2 = +2.70 µC, q3 =
−5.10 µC. 

Three point-like charges are placed at the corners of a rectangle as shown in the figure,...
7. Three point-like charges are placed at the
corners of a rectangle as shown in the figure, a = 30.0 cm and b =
66.0 cm. Find the minimum amount of work required by an external
force to move the charge q to infinity. Let q = −2.30 µC, q = −3.20
µC, q = +5.10 µC.
in J
8. Four point-like charges are placed as shown
in the figure, three of them are at the corners and one at...
Three point-like charges are placed at the corners of a
rectangle as shown in the figure, a = 36.0 cm and b = 56.0 cm. Find
the minimum amount of work required by an external force to move
the charge q3 to infinity. Let q1 = +3.10 µC, q2 = +3.70 µC, q3 =
−4.90 µC.
Three point-like charges are placed at the corners of a
rectangle as shown in the figure, a = 22.0 cm and b = 68.0 cm. Find
the magnitude of the electric force exerted on the charge q1. Let
q1 = −2.60 µC, q2 = +4.00 µC, q3 = −3.30 µC
.
42
Three point-like charges are placed at the corners of a
rectangle as shown in the figure, a = 20.0 cm and b = 66.0 cm. Find
the magnitude of the electric force exerted on the charge q1. Let
q1 = −1.70 µC, q2 = −2.30 µC, q3 = +5.10 µC
Three point-like charges are placed at the corners of a square
as shown in the figure, 24.0 cm on each side. What is the minimum
amount of work required by an EXTERNAL force to move the charge q3
to infinity? Let q1 = −20.0 µC, q2 = −42.0 µC, q3 = +34.0 µC.
Thank you!
12 93
8 Three point like charges are placed at the corners of a rectangle as shown in the figure, a = 22.0 cm and b = 52.0 cm. Find the magnitude of the electric force exerted on the charge q3. Let qı = +2.70 μ C, q2 =-270 μC, q3 =-470 μC. 0.422 N g1O 42 43
Three point-like charges are placed at the corners of a
rectangle as shown in the figure, a = 28.0 cm and b = 50.0 cm. What
is the electric potential at the center of the rectangle? Let q1 =
q3 = +31.0 µC and q2 = −30.0 µC.
93 q1
Three point-like charges are placed at the corners of a
rectangle as shown in the figure, a = 22.0 cm and b = 48.0 cm. Find
the magnitude of the electric force exerted on the charge q1. Let
q1 = −1.50 µC, q2 = −3.20 µC, q3 = −3.30 µC
Three point-like charges are placed at the corners of a
rectangle as shown in the figure, a = 28.0 cm and b = 54.0 cm. Find
the magnitude of the electric force exerted on the charge q1. Let
q1 = +1.50 µC, q2 = +3.90 µC, q3 = +3.20 µC.
42
Three point-like charges are placed at the corners of a
rectangle as shown in the figure, a = 22.0 cm and b = 66.0 cm. Find
the electric potential at the empty corner. Let q11 = +1.90 µC, q22
= +2.70 µC, q33 = −4.60 µC.
420-------------Qq 9,0 -----