Question

A positive point charge q1 = 3.0 μC is located at x = 0, y = 0.30 m, a negative point charge q2 = -3.0 μC is located at x = 0, y = -0.30 m. A third point charge Q = 4.0 μC is located at x = 0.40 m, y = 0.

A)What is the magnitude of the total electric force that charges q1 and q2 exert on charge Q? Express your answer in newtons.

B)What is the direction of the total electric force that charges q1 and q2exert on charge Q? Express your answer in degrees.

Answer #1

b. The direction of the net force is towards -y direction.

53.1 degrees from F1 and F2.

270 degrees from +x axis. (Counterclockwise direction).

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?

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
=

Point charge 1.5 μC is located at x = 0,
y = 0.30 m , point charge -1.5 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
Absolute Value F=?
Part B
Theta=? clockwise from the +x
direction

Two equal positive charges q1 = q2 = 2.0µC
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A negative charge Q1 = -50.0 μC is located at a point X1 = -3.00
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A
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(a) Determine the charge Q. (b) With this configuration of three
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