Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 5.2, Problem 3aT
Compare the magnitude of the electric field at points P and Q.
Explain your reasoning.
Suppose you were given another block of wood with nails representing a weaker uniform electric field than the one above. How would the two blocks differ? Explain.
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Students have asked these similar questions
An electric dipole is formed from two charges, tq,
spaced 1.50 cm apart. The dipole is at the origin,
oriented along the y-axis. The electric field strength
at the point (x, y) = (0 cm, 10 cm) is
380 N/C.
Part A
What is the charge q? Give your answer in nC.
Express your answer in nanocoulombs.
▸ View Available Hint(s)
q=
Submit
Part B
D] ΑΣΦ
Submit
μA
E = Value
What is the electric field strength at the point (x, y) = (10 cm, 0 cm) ?
Express your answer with the appropriate units.
▸ View Available Hint(s)
[PMC
Units
?
www]
nC
?
B) A uniform electric field is shown below. Using the information given, answer the questions shown.
*
A
[1
*
C
D
:Smallest
A=(-1m,2m)
C=(1m,2m)
Rank, from
largest to smallest the electric field at each of the points shown above. If two or more choices are equal, indicate this
by putting an equal sign "=" between the letters in the ranking.
B=(-1m,-1m)
D=(1m,-1m)
Largest:
Rank, from largest to smallest the magnitude of the force on an electron placed at each of the points shown above. If two or
more choices are equal, indicate this by putting an equal sign "=" between the letter in the ranking.
Largest:
:Smallest
:Smallest
O Rank, from largest to smallest the electric potential at each of the points shown above. If two or more choices are equal, indicate
this by putting an equal sign "-" between the letters in the ranking.
Largest:
) Rank, from largest to smallest the potential energy an electron would have if it were placed at each of the points shown.
If two or more choices are…
What are the answers to this problem? Please show the solution and specify the corresponding letter of choice of the answers.
Problem:
Three charges, q1=-10 μC,q2=4 μC and q3=10 μC are aligned vertically, 6 cm apart. Point P is located 8 cm directly to the right of q2.
1.) Find the electric field contribution from q1 on point P.A. -9 MN/C C. -14.0625 MN/CB. -25 MN/C D. -12 MN/C
2.) Find the electric field contribution from q2 on point P.A. 5.625 MN/C C. 14.06 MN/CB. 3.6 MN/C D. 10 MN/C
3.) Find the electric field contribution from q3 at point P.A. 12 MN/C C. 9 MN/CB. 25 MN/C D. 14.0625 MN/C
4.) Find the magnitude of the net electric field at point P due to all three charges.A. 23.625 MN/C C. 5.625 MN/CB. 21.6 MN/C D. 12.18 MN/C
Chapter 5 Solutions
Tutorials in Introductory Physics
Ch. 5.1 - Press a piece of sticky tape, about 15-20 cm in...Ch. 5.1 - B. Make another piece of tape a described above....Ch. 5.1 - Each member of your group should press a tape onto...Ch. 5.1 - Obtain an acrylic rod and a piece of wool or fur....Ch. 5.1 - Base your answers to the following questions on...Ch. 5.1 - Two positive point charges +q and +Q (with Qq )...Ch. 5.1 - Two more +Q charges are held in place the same...Ch. 5.1 - Rank the four cases below according to the...Ch. 5.1 - Charge an acrylic rod by rubbing it with wool....Ch. 5.1 - Hold the charges rod horizontally. Use a charges...
Ch. 5.1 - Imagine that two charged rods are held together as...Ch. 5.1 - Five short segments (labeled 1-5) of acrylic rod...Ch. 5.1 - In case A at right, a point Charge +q is a...Ch. 5.1 - A small ball with zero net charge is positively...Ch. 5.1 - Hang an uncharged metal or metal-covered ball from...Ch. 5.1 - The situation in part A suggests a way to think...Ch. 5.2 - Hold a small piece of paper (e.g., an index card)...Ch. 5.2 - The area of a flat surface can be represented by a...Ch. 5.2 - Place a large piece of graph paper flat on the...Ch. 5.2 - Fold the graph paper twice so that it forms a...Ch. 5.2 - Form the graph paper into a tube as shown. Can the...Ch. 5.2 - What must be true about a surface or a portion of...Ch. 5.2 - In the tutorial Charge, you explored the region...Ch. 5.2 - Suppose that the charge, qtest , on the pith ball...Ch. 5.2 - The quantity F/qtest evaluated at any point is...Ch. 5.2 - Sketch vectors at each of the marked points to...Ch. 5.2 - The diagram at right shows a two-dimensional top...Ch. 5.2 - Compare the magnitude of the electric field at...Ch. 5.2 - Obtain a wire loop. The Loop represents the...Ch. 5.2 - For a given surface, the electric flux, E , is...Ch. 5.2 - You will now examine the relationship between the...Ch. 5.2 - When EandA were parallel, we called the quantity...Ch. 5.3 - In the following Questions, a Gaussian cylinder...Ch. 5.3 - In the following Questions, a Gaussian cylinder...Ch. 5.3 - In the following Questions, a Gaussian cylinder...Ch. 5.3 - In the following Questions, a Gaussian cylinder...Ch. 5.3 - Are your answer to part A-C of section I...Ch. 5.3 - In part D of section I, you tried to determine the...Ch. 5.3 - Find the net flux through each of the Gaussian...Ch. 5.3 - The three spherical Gaussian surfaces at right...Ch. 5.3 - A large sheet has charge density +o . A...Ch. 5.3 - The Gaussian cylinder below encloses a portion of...Ch. 5.4 - Suppose an object moves under the influence of a...Ch. 5.4 - An object travels from point A to point B while...Ch. 5.4 - An object travels from point A to point B while...Ch. 5.4 - State the work-energy theorem in your own words....Ch. 5.4 - Draw electric field vectors at point W, X, Y, and...Ch. 5.4 - A particle with charge +qo , travels along a...Ch. 5.4 - The particle travels from point X to point Z along...Ch. 5.4 - Suppose the particle travels from point W to point...Ch. 5.4 - Compare the work done as the particle travels from...Ch. 5.4 - Suppose the charge of the particle in section II...Ch. 5.4 - Shown at right are four Points near a positively...Ch. 5.5 - A small portion near the center of a large thin...Ch. 5.5 - Use the principle of superposition to determine...Ch. 5.5 - Use the principle of superposition to determine...Ch. 5.5 - Consider instead a portion near the center of a...Ch. 5.5 - A second plate with the same magnitude charge as...Ch. 5.5 - The inner surface of one plate has a uniform...Ch. 5.5 - B. Suppose the plates are discharged, then held a...Ch. 5.5 - Compare the ratio QV that you calculated for two...Ch. 5.5 - For the following cases, state whether each of the...
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