Question

1) You have two charges; Q_{1} and Q_{2}, and
you move Q_{1} such that the potential experienced by
Q_{2} due to Q_{1} increases. Gravity should be
ignored. Then, you must be:

Moving Q1 closer to Q2 | ||

Moving Q1 further away from Q2 | ||

Moving in the same direction as the field due to Q1 | ||

Moving in the opposite direction to that of the field due to Q1 | ||

Any of the above |

2) You move two point charges such that the potential energy between them decreases.Gravity should be ignored. You are moving the charges:

Farther apart | ||

Closer to one another | ||

Either option 1 or 2 |

3) Two charges; q_{1} and q_{2}, are positve
with a distance "d" apart. One is released while the other is
fixed. Gravity should be ignored. To find the speed of the moving
charge after it has moved "x" m, one can use Coulomb's Law and the
kinematics equation *v _{f}^{2} -
v_{i}^{2} = 2ad*

True | ||

False |

Answer #1

Two point charges Q1 and Q2 are 2.30 m
apart, and their total charge is 15.4 μC. If the force of repulsion
between them is 0.0990 N, what are magnitudes of the two charges?
Enter the smaller charge in the first box.
Q1 =
Q2 =
If one charge attracts the other with a force of 0.0763N, what
are the magnitudes of the two charges if their total charge is also
15.4 μC? The charges are at a distance of...

Point charges Q1 = 1 nC and Q2 = 2 nC are at a distance apart.
Which of the following
statements are incorrect?
Select one or more:
As the distance between them decreases, the force on Q1
increases linearly.
The force on Q2 is the same in magnitude and direction as that
on Q1.
The force on Q2 is along the line joining them.
A point charge Q3 = -3 nC located at the midpoint between Q1
and Q2, Q3...

1.
Two charges are placed on the x axis. One of the charges (q1 =
+6.70C) is at x1 = +3.00 cm and the other (q2 = -28.9C) is at x2 =
+9.00 cm. Find the net electric field (magnitude and direction
given as a plus or minus sign) at (a) x = 0 cm and (b) x = +6.00
cm.
(a) Number Units (b) Number Units
2.
Check Your Understanding: Question 18.17
Drawings A and B show two examples...

In the diagram below, the two charges q1 =
+q and q2 = −2q are fixed in
place. The distance between them is d = 3.87 m. Find the
distance x of the point A on the horizontal line where the
net electric potential due to the two charges is zero.
_____ m

Two particles having charges q1 = 0.400 nC and
q2 = 6.00 nC are separated by a distance of 1.60 m .
At what point along the line connecting the two charges is the
total electric field due to the two charges equal to zero?

Part A) Two particles with positive charges q1 and
q2 are separated by a distance s.
Along the line connecting the two charges, at what distance from
the charge q1 is the total electric field from the two charges
zero?
Express your answer in terms of some or all of the
variables s,
q1,
q2 and
k =14πϵ0. If
your answer is difficult to enter, consider simplifying it, as it
can be made relatively simple with some work.
Part B)...

Problem 4: Two point charges,
Q1 and
Q2, are located on the
x axis as follows. Q1
is at the origin and has a value of +24 µC. The charge
Q2 is at x = 4 meters
and its magnitude and sign are unknown. It is known that the net
electric field due to these two charges is zero at the coordinate x
= 8 meters. (k = 1/4πεo
= 9 x 109 Nt x
m2/C2)
a. Find the magnitude...

Two point charges q1=+2.55nC and q2=−6.80nC are 0.100 mm apart.
Point AA is midway between them; point BB is 0.080 mm from q1 and
0.060 mm from q2. (See (Figure 1) .Take the electric potential to
be zero at infinity.
part a)
Find the potential at point AA.
Express your answer in volts.
part b)
Find the potential at point B.
Express your answer in volts.
part c)
Find the work done by the electric field on a charge of...

Two point charges q1 and q2 in a x-y coordinator. q1 has a
charge of -3nC and located at (-2m, 0), q2 has a charge of 5nC and
located at (1m, 0). Calculate following:
A) electrical potential at (-1m, 0)
B) electrcal field at (-1m, 0)
C) if a third charge q3 of -2nC is located at (-1m, 0)
position, what is the electrical force on q3.

Two charges q1 (=+3 nC) and q2 (=+5 nC) are located at (0,2 cm)
and (0, -2 cm) respectively.
What are the strength and direction of the electric field at the
position (5cm, 0). Specify the direction as an angle above or below
horizontal (X-axis).

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