Question

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 = -5 nC placed at x = 25 cm.

Answer #1

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 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...

A) Two point charges lie on the x axis. A charge of 9.8 μC is at
the origin, and a charge of -5.3 μC is at x = 10 cm . At what
position x would a third charge q3 be in
equilibrium?
B)Two point charges lie on the x axis. A charge of 6.5
μC is at the origin, and a charge of -9.0 μC is
at x=10.0cm. What is the net electric field at
x=−4.0cm? What is the...

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?

1. Three point charges, +2.0 μC , -4.0 μC , and +6.0 μC are
placed in that order along a straight line with 18 cm separating
adjacent charges. Calculate the force on each charge.
2. Calculate the electric field strength required to support a
proton (at the Earth’s surface).

1. Three point charges, +2.0 μC , -4.0 μC , and +6.0 μC are
placed in that order along a straight line with 18 cm separating
adjacent charges. Calculate the force on each charge.
2. Calculate the electric field strength required to support a
proton (at the Earth’s surface).

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.

Three point charges are placed on the x-y plane: a +40.0 nC
charge at the origin, a −40.0 nC charge on the x axis at 15.0 cm,
and a +125.0 nC charge at the point (15.0 cm, 6.00 cm). (a) Find
the total electric force on the +125.0 nC charge due to the other
two. (b) What is the electric field at the location of the +125.0
nC charge due to the presence of the other two charges?

Three point charges are placed on the x-axis as follows: 22 μC
at x=0; 32 μC at x=0.40m; and -14 μC at x=1.2m
Part A Find the net force on the 22 μC point charge. Assume the
direction of the x-axis as positive.
Part B Find the net force on the 32 μC point charge.

Two point charges lie on the x axis. A charge of 6.2 μC is at
the origin, and a charge of -9.5 μC is at x=10.0cm
What is the net electric field at x=−4.0cm ?
What is the net electric field at x=+4.0cm ?

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