Question

Four charges q_{1}, q_{2}, q_{3} and
q_{4}, are placed at the corners of a square. Charges
q_{1} and q_{4} are located on opposite corners and
have equal charges. Both q_{2} and q_{3} have a
charge of 1.0 C. If the force on q_{2} is zero, what is the
charge on q_{1}?

A. -1.0 C

B. -0.35 C

C. -0.71 C

D. -0.20 C

Answer #1

Point charges q1=+2.00μC and q2=−2.00μC are placed at adjacent
corners of a square for which the length of each side is 3.50 cm .
Point a is at the center of the square, and point b is at the empty
corner closest to q2. Take the electric potential to be zero at a
distance far from both charges.
A point charge q3 = -5.00 μC moves from point a to point b. How
much work is done on q3 by...

Three point charges q1=1 μC ,
q2=2 μC and q3=-3
μC are located at three corners of a square of side a=2
cm . Charge
q3 is
located diagonally opposed to the empty corner of the
square.
Calculate the electric potential created by the three charges
at the empty corner of the square.
Calculate the work done by the electric field of the three
charges when a fourth charge q4=-4 μC
moves from the center of the square to the...

Three point charges q1, q2, and q3 are situated at three corners
of a rectangle as shown in the diagram below. Here q1 = +9.00 µC,
q2 = −9.00 µC, q3 = +2.00 µC.
https://www.webassign.net/webassignalgphys1/19-p-026.gif
(a) What is the electric potential at the free corner where
there is no charge? V
(b) What charge should be placed at the free corner for the
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Three charges: Q1, Q2
and Q3, are located on a straight line. The
charge Q3 = 6.75 ?C is movable along
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Q2 = 2.80 ?C are fixed at their positions, with
Q2 at the distance d = .436 m
to the right of Q1. For what position of
Q3 (with respect to Q1) is
the net force on Q3 - due to
Q1 and Q2 - equal zero?
Convention: use the...

Q1 = +2.1µC and is located at (5, 0), Q2
= -8.4µC and is located at (0, -7), and Q3 = +6.5 µC and
is located at (-8, 6). A ball with a charge of QB =
+4.2µC is placed at the origin (0,0). (units of distance measured
in meters)
Sketch the setup and make an FBD for the ball.
Find the force from Q1 on the ball in component
form?
Find the force from Q2 on the ball in...

Three charges,
Q1, Q2, and
Q3 are located along a straight line. The
position of Q2 is 0.235 m to the right
of Q1. Q3 is located 0.147
m to the right of Q2. The force on
Q2 due to its interaction with
Q3 is directed to the (Give ALL correct
answers, i.e., B, AC, BCD...)
A) right if the two
charges are negative.
B) left if the two charges are positive.
C) right if the two charges have opposite...

Three charges, Q1, Q2, and Q3 are located in a straight line.
The position of Q2 is 0.268 m to the right of Q1. Q3 is located
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Q1=2.24*10^-6 C, Q2= -2.84*10^-6 C, and Q3=3.03*10^-6 C. Calculate
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to the right. 2)Now the charges Q1=2.24*10^-6 C and
Q2= -2.84*10^-6 C are fixed at their...

A charge q3 = -5 nC is placed between two charges q1 = 3 nC
located at x = 2 m and q2 = 6 nC located at x = 0.
• Find the net force on charge q3 placed at a) x= 0.2 m, b)
x=1.8 m.
• Find the position of charge q3 where it experience zero net
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Three charges are arranged at three corners of a square, as
shown below, where q1=2.0μC, q2 = 7.1 μC , q3= -7.5 μC , and d=
2.5cm.
A. What are the x and y components of
F2on1→F2on1→?
B) What are the x and y components of
F3on1→F3on1→?
C) What is the net force vector on q1q1?

You have three charges that are placed in a equilateral
triangles corners. The sides of the triangle are 2 dm.
q1=2.2µC
q2= -4.4µC
q3= 3.3 µC
If we introduce a coordinate system where q3 is
located in origin, q1 located in (0.20m , 0m)
and q2 is located in (0.10m, y*0.20m) where y >0
is a real number. What is the value of y and what is direction does
the total force from q1 and q2 on
q3? If there...

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