Question

A long uniformly charged thread (linear charge density λλlambda = 1.7 C/mC/m ) lies along the xxx axis in the figure.(Figure 1) A small charged sphere (QQQ = -2.3 CC ) is at the point x=0cmx=0cm, y=−5.0cmy=−5.0cm.

What is the direction of the electric field at the point x=7.0cmx=7.0cm, y=7.0cmy=7.0cm? E⃗ threadE→thread and E⃗ QE→Q represent fields due to the long thread and the charge QQ, respectively.

Express your answer to two significant figures and include the appropriate units.

What is the magnitude of the electric field at the point x=7.0cmx=7.0cm, y=7.0cmy=7.0cm?

Express your answer to two significant figures and include the appropriate units.

Answer #1

A long uniformly charged thread (linear charge density ? = 1.8
C/m ) lies along the x axis in the figure.(Figure 1) A small
charged sphere (Q = -2.1 C ) is at the point x=0cm, y=?5.0cm.
What is the direction of the electric field at the point
x=7.0cm, y=7.0cm?
E? thread and
E? Q represent fields due to the
long thread and the charge Q, respectively.
What is the magnitude of the electric field at the point
x=7.0cm, y=7.0cm?

Two 10-cm-diameter charged rings face each other, 23 cm apart.
The left ring is charged to -24 nC and the right ring is charged to
+24 nC .
Part A
What is the magnitude of the electric field
E⃗ at the midpoint between the two rings?
Express your answer to two significant figures and include the
appropriate units.
Part C
What is the magnitude of the force F⃗ on a
-1.0 nC charge placed at the midpoint?
Express your answer to two...

A thin rod 39.2 cm long is charged uniformly with a
positive charge density of 46.0 ?C/m. The rod is
placed along the y-axis and is centered at the origin. A charge of
+43.0 ?C is placed 51.2 cm from the midpoint of
the rod on the positive x-axis. Calculate the electric field at a
point on the x-axis, which is halfway between the point charge and
the center of the rod. (Express your answer in terms of the unit...

Two 18 cm -long thin glass rods uniformly charged to +10nC are
placed side by side, 4.0 cm apart. What are the electric field
strengths E1, E2, and E3 at distances
1.0 cm, 2.0 cm, and 3.0 cm to the right of the rod on the left,
along the line connecting the midpoints of the two rods?
part A
Specify the electric field strength E1.
Express your answer to two significant figures and include the
appropriate units.
B
Specify the...

A 2.0-mm-long string vibrates at its second-harmonic frequency
with a maximum amplitude of 1.4 cmcm . One end of the string is at
xxx =0cm=0cm.
Find the oscillation amplitude at x =10cm.
Express your answer to two significant figures and include the
appropriate units.
Find the oscillation amplitude at x =20cm.
Express your answer to two significant figures and include the
appropriate units.
Find the oscillation amplitude at x =30cm.
Express your answer to two significant figures and include the...

1. A -9.00 nC point charge and a +18.0nC point charge are 15.0
cm apart on the x-axis.
Part A: What is the electric potential at the point on the
xxx-axis where the electric field is zero? Express your answer with
the appropriate units.
Part B: What is the magnitude of the electric field at the point
on the x-axis, between the charges, where the electric
potential is zero? Express your answer with the appropriate
units.
2. An AA battery...

A -14 nC charge is located at (x, y) = (1.4 cm
, 0 cm).
Part B
What is the y-component of the electric field at the
position (x, y) = (5.9 cm , 0 cm)?
Express your answer to two significant figures and include the
appropriate units.
Part D
What is the y-component of the electric field at the
position (x, y) = (?5.9cm, 0 cm)?
Express your answer to two significant figures and include the
appropriate units.
Part...

C) An electric dipole is formed from two
charges, ±q, spaced 1.30 cm apart. The dipole is at the origin,
oriented along the y-axis. The electric field strength at
the point (x,y)=(0cm,10cm) is 330 N/C .
- What is the charge q? Give your answer in nC.
- What is the electric field strength at the point
(x,y)=(10cm,0cm)? Express your answer with the appropriate
units.
D) A small glass bead charged to 4.5 nC is in the plane that
bisects...

A -12 nC charge is located at (x, y) = (1.2 cm , 0 cm).
What is the x-component of the electric field at the
position (x, y) = (0 cm, 5.8 cm )?
Express your answer to two significant figures and include the
appropriate units.
What is the y-component of the electric field at the
position (x, y) = (0 cm, 5.8 cm )?
Express your answer to two significant figures and include the
appropriate units.

An infinitely long line charge of uniform linear charge density
λ = -2.10 µC/m lies parallel to the y axis at x = -3.00 m. A point
charge of 2.40 µC is located at x = 2.00 m, y = 3.00 m. Find the
electric field at x = 3.00 m, y = 2.50 m.

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