Consider a system of three charges shown in (Figure 1). An object with charge q4 =...
Consider a system of three charges shown in (Figure 1). An object with charge q4 = +7.0×10−9C is moved to position C from infinity (not shown in the figure). q1 = q2 = q3 = +10.0×10−8C. Determine the work done on the system by moving the charge q4 from infinity to point C, but for
q1 = q3 = -10.0×10−9C and q2 =
+10.0×10−9C. 
Homework Answers
The work done on system
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Consider a system of three charges shown in (Figure 1). An object with charge q4 =...
Consider a system of three charges shown in (Figure 1). An object with charge q4 =...
Consider a system of three charges shown in (Figure 1). An
object with charge q4 = +7.0×10−9C is moved to position C
from infinity (not shown in the figure). q1 = q2
= q3 = +10.0×10−8C.
A) Determine the initial electric potential energy of the system
consisting of all four charges. B) Determine the final electric
potential energy of the system consisting of all four charges. C)
Determine the work done on the system by moving the charge
q4 from...
Consider a system of three charges shown in (Figure 1).An object with charge q4 = +6.0×10−9C...
Consider a system of three charges shown in (Figure 1).An object
with charge q4 = +6.0×10−9C is moved to position C from infinity
(not shown in the figure). q1 = q2 = q3 = +10.0×10−8C. a.
Determine the initial electric potential energy of the system
consisting of all four charges. b.
Determine the final electric potential energy of the system
consisting of all four charges.
c. Determine the work done on the system by moving the charge q4
from infinity...
1. a) For the system of three charges shown in figure la, where Q1- -6.4x10-19 C,...
1. a) For the system of three charges shown in figure la, where Q1- -6.4x10-19 C, Q2- 4.8x101 C and Q3--3.2x1019 C, and a-1 nm and b-2 nm. i. Calculate the magnitude and direction of the force exerted on Q2 by Q1 and 4 Q3. ii. Copy figure la into your answer booklet and sketch the electric field in the region around the three charges. ii. Calculate the work required to place an addition negative charge Q4 (where 04 -6.4x1019...
A point charge q2 = -4.5 μC is fixed at the origin of a co-ordinate system...
A point charge q2 = -4.5 μC is fixed at the origin of
a co-ordinate system as shown. Another point charge q1 =
3.5 μC is is initially located at point P, a distance d1
= 7.2 cm from the origin along the x-axis
1)
What is ΔPE, the change in potenial energy of charge
q1 when it is moved from point P to point R, located a
distance d2 = 2.9 cm from the origin along the x-axis as...
Three point-like charges are placed at the corners of a rectangle as shown in the figure,...
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.
9. Three point-like charges are placed at the corners of a rectangle as shown in the figure, a = 30.0 cm and b =...
Three point-like charges are placed at the corners of arectangle as shown in the figure,...
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 square as shown in the figure,...
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
Four point-like charges are placed as shown in the figure, three of them are at the...
Four point-like charges are placed as shown in the figure, three
of them are at the corners and one at the center of a square, 20.0
cm on each side. Find the magnitude of the net electrostatic force
exerted on the point charge q4. Let q1 =
q3 = +19.0 µC, q2 = ?37.0 µC, and
q4 = ?49.0 µC.
Q29 q3 Qa q
Four point-like charges are placed as shown in the figure, three of them are at the...
Four point-like charges are placed as shown in the figure, three
of them are at the corners and one at the center of a square, 18.0
cm on each side. Find the magnitude of the net electrostatic force
exerted on the point charge q4. Let q1 = q3 = +16.0 µC, q2 = −27.0
µC, and q4 = −32.0 µC.
42 43 q1
The figure shows three charges q1, q2, and q3, situated at corners of a rectangle of...
The figure shows three charges q1, q2, and q3, situated at
corners of a rectangle of sides a = 14.0 cm and b = 8.0 cm. For q1
= 5.70 μC, q2 = -5.70 μC,and q3 = 1.60 μC, find the electric
potential at the center of the rectangle. b) Continuing with the
figure above, how much work is required in moving q3 to infinity
while q1 and q2 remain in their positions?
Problem 1 2 a) The figure shows...
Consider a system of three charges shown in (Figure 1). An
object with charge q4 = +7.0×10−9C is moved to position C
from infinity (not shown in the figure). q1 = q2
= q3 = +10.0×10−8C.
A) Determine the initial electric potential energy of the system
consisting of all four charges. B) Determine the final electric
potential energy of the system consisting of all four charges. C)
Determine the work done on the system by moving the charge
q4 from...
Consider a system of three charges shown in (Figure 1).An object
with charge q4 = +6.0×10−9C is moved to position C from infinity
(not shown in the figure). q1 = q2 = q3 = +10.0×10−8C. a.
Determine the initial electric potential energy of the system
consisting of all four charges. b.
Determine the final electric potential energy of the system
consisting of all four charges.
c. Determine the work done on the system by moving the charge q4
from infinity...
1. a) For the system of three charges shown in figure la, where Q1- -6.4x10-19 C, Q2- 4.8x101 C and Q3--3.2x1019 C, and a-1 nm and b-2 nm. i. Calculate the magnitude and direction of the force exerted on Q2 by Q1 and 4 Q3. ii. Copy figure la into your answer booklet and sketch the electric field in the region around the three charges. ii. Calculate the work required to place an addition negative charge Q4 (where 04 -6.4x1019...
A point charge q2 = -4.5 μC is fixed at the origin of
a co-ordinate system as shown. Another point charge q1 =
3.5 μC is is initially located at point P, a distance d1
= 7.2 cm from the origin along the x-axis
1)
What is ΔPE, the change in potenial energy of charge
q1 when it is moved from point P to point R, located a
distance d2 = 2.9 cm from the origin along the x-axis as...
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.
9. Three point-like charges are placed at the corners of a rectangle as shown in the figure, a = 30.0 cm and b =...
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 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
Four point-like charges are placed as shown in the figure, three
of them are at the corners and one at the center of a square, 20.0
cm on each side. Find the magnitude of the net electrostatic force
exerted on the point charge q4. Let q1 =
q3 = +19.0 µC, q2 = ?37.0 µC, and
q4 = ?49.0 µC.
Q29 q3 Qa q
Four point-like charges are placed as shown in the figure, three
of them are at the corners and one at the center of a square, 18.0
cm on each side. Find the magnitude of the net electrostatic force
exerted on the point charge q4. Let q1 = q3 = +16.0 µC, q2 = −27.0
µC, and q4 = −32.0 µC.
42 43 q1
The figure shows three charges q1, q2, and q3, situated at
corners of a rectangle of sides a = 14.0 cm and b = 8.0 cm. For q1
= 5.70 μC, q2 = -5.70 μC,and q3 = 1.60 μC, find the electric
potential at the center of the rectangle. b) Continuing with the
figure above, how much work is required in moving q3 to infinity
while q1 and q2 remain in their positions?
Problem 1 2 a) The figure shows...
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