Question

**Charged Spheres #1**

Charged spheres are placed as follows:

Name | Charge (μC) | x location (m) | y location (m) |

A | +7.0 | 0.0 | 0.0 |

B | -8.0 | -2.0 | 3.0 |

a. Determine the electric field (x and y components) created by charge A at the location (-2.0, 0.0).

b. Determine the electric field (x and y components) created by charge B at the location (-2.0, 0.0).

c. Determine the net electric field (x and y components) at the location (-2.0, 0.0).

d. Determine the net electric field (magnitude and direction) at the location (-2.0, 0.0).

e. Determine the electric force (magnitude and direction) on an
electron placed at the location (-2.0, 0.0). Do not use Coulomb’s
law to do so. **If you do, then you will get a zero on this
assignment.**

Answer #1

A point particle with charge
q = 4.6 μC
is placed on the x axis at
x = −10 cm
and a second particle of charge
Q = 7.0 μC
is placed on the x axis at
x = +25 cm.
(a) Determine the x and y components of the
electric field due to this arrangement of charges at the point
(x, y) = (10, 10)
(the units here are centimeters).
Ex
= N/C
Ey
= N/C
(b) Determine the magnitude and...

Three point charges are placed on the x-axis. A charge of +2.0
μC is placed at the origin, -2.0 μC to the right at x = 50 cm, and
+4.0 μC at the 100 cm mark.
a. Find the net electric force (magnitude and direction) that
acts on the charge at the origin.
b. Find the net electric field (magnitude and direction) at x =
25 cm.
c. Find the net electric force (magnitude and direction) on a
charge Q...

A point particle with charge q = 4.9 μC is
placed on the x axis at x = −10 cm and a second
particle of charge Q = 7.8 μC is placed on the
x axis at x = +25 cm.
(a) Determine the x and y components of the
electric field due to this arrangement of charges at the point
(x, y) = (10, 10) (the units here are
centimeters).
Ex_____
Ey_____
(b) Determine the magnitude and direction of...

A point charge q1 = -1.5 μC is placed at x = 0 and y = +5 cm. A
second point charge q2 = -6 μC is placed at x = +5 cm and y = 0.
Determine the magnitude of the net electric field at the origin and
the direction of the electric field as an angle measured from the
+x axis. Use k = 9.00 109 N·m2/C2.

Point charge 3.0 μC is located
at x = 0, y = 0.30 m, point charge
-3.0 μC is located at x = 0 y =
-0.30 m. What are (a)the magnitude and (b)direction of the
total electric force that these charges exert on a third point
charge Q = 5.0 μC at x =
0.40 m, y = 0?

A +7.0-μC point charge is placed at the 0.0 cm mark of an x-axis
and a -5.0-μC charge is placed at the 70 cm mark. What is the net
electric field strength at the 40 cm mark on the x-axis?

PLEASE SHOW ALL WORK!
A point charge of 5.00 μC is placed at the point (x, y) = (20.0
cm, 30.0 cm).
a) What is the magnitude and direction of the electric field E
at the origin?
b) What is the magnitude and direction of the electric field at
(x, y) = (1.00 m, 1.00 m)?

A +1 C charge is placed at position (x,y)=(-2 m,0). A +1.5 C charge
is placed at position (x,y)=(2 m, 0).
a) What
is the electric potential energy of this charge
configuration?
b) What
is the electric field (magnitude and direction) at the
origin?
c)
What is the electric field (magnitude and direction) at position
(x,y)=(0 m, 1 m)?
Please enter your answers in the space below and email your
work.

A point charge of +10 μC is at (+3 m, 0 m) on the
x-axis and a point charge of +10 μC is at (-3 m,0 m).
a. Determine the work required to assemble this charge
distribution.
W = ________ J
b. Find the magnitude of the electric field at a point (0,+3 m)
on the y-axis.
E = __________ x103 N/C
A charge q = +1 μC is placed at this point. Find the
magnitude of the force on...

point charge -2.0 μC is located at x = 0 y = -0.30 m. What are
(a)the magnitude and (b)direction of the total electric force that
these charges exert on a third point charge Q = 4.5 μC at x = 0.40
m, y = 0?
Part A
Express your answer using two significant figures.
|F|
F
=

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