Physics for Scientists and Engineers with Modern Physics
4th Edition
ISBN: 9780131495081
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 21, Problem 3P
(I) What is the magnitude of the force a + 25 μC charge exerts on a + 2.5mC charge 28 cm away?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Two equally charged balls are 3 cm apart in air and repel each other with a force of 40 μN (1 μ = 1x10-6). Compute the charge on each ball.
Two small spheres with equal charge are placed 20cm apart. Find the excess electrons of a sphere with a total force of 4.57×10-21N and determine the charge Q.
(c) Calculate the magnitude of the force on the charge q, given that the square is 10.0 cm on a
side and q=2 μC.
Fr
net
= 0
Case II. 9a = b = +8 μC and qc = qd = -8 μC.
N
(e) Due to symmetry the direction of the net force is
D. In the -y direction
Fnet
(d) In your notebook, draw the forces on q due to qa, qb, qc, and qd. Or use the result of of
Homework: Charges on a Square Free Body Diagram.
= 83.91
qc
Hint: For each force draw the x and y components. Some will add and some will cancel.
(f) Calculate the magnitude of the force on the charge q, given that the square is 10.0 cm on a
side and q=2 μC.
X N
No, that's only partially correct.
O qd
X
Chapter 21 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 21.5 - Return to the Chapter-Opening Question, page 559,...Ch. 21.5 - What is the magnitude of F12 (and F21) in Example...Ch. 21.5 - Determine the magnitude and direction of the net...Ch. 21.5 - (a) Consider two point charges of the same...Ch. 21.6 - Four charges of equal magnitude, but possibly...Ch. 21 - If you charge a pocket comb by rubbing it with a...Ch. 21 - Why does a shirt or blouse taken from a clothes...Ch. 21 - Explain why fog or rain droplets tend to form...Ch. 21 - A positively charged rod is brought close to a...Ch. 21 - Why does a plastic ruler that has been rubbed with...
Ch. 21 - Contrast the net charge on a conductor to the free...Ch. 21 - Figures 217 and 218 show how a charged rod placed...Ch. 21 - When an electroscope is charged, the two leaves...Ch. 21 - The form of Coulombs law is very similar to that...Ch. 21 - We are not normally aware of the gravitational or...Ch. 21 - Is the electric force a conservative force? Why or...Ch. 21 - What experimental observations mentioned in the...Ch. 21 - When a charged ruler attracts small pieces of...Ch. 21 - Explain why the test charges we use when measuring...Ch. 21 - When determining an electric field, must we use a...Ch. 21 - Draw the electric field lines surrounding two...Ch. 21 - Assume that the two opposite charges in Fig. 2134a...Ch. 21 - Consider the electric field at the three points...Ch. 21 - Why can electric field lines never cross?Ch. 21 - Given two point charges, Q and 2Q, a distance ...Ch. 21 - Suppose the ring of Fig. 2128 has a uniformly...Ch. 21 - Consider a small positive test charge located on...Ch. 21 - We wish to determine the electric field at a point...Ch. 21 - In what ways does the electron motion in Example...Ch. 21 - Describe the motion of the dipole shown in Fig....Ch. 21 - Explain why there can be a net force on an...Ch. 21 - (I) What is the magnitude of the electric force of...Ch. 21 - (I) How many electrons make up a charge of 38.0 C?Ch. 21 - (I) What is the magnitude of the force a + 25 C...Ch. 21 - (I) What is the repulsive electrical force between...Ch. 21 - (II) When an object such as a plastic comb is...Ch. 21 - (II) Two charged dust particles exert a force of...Ch. 21 - (II) Two charged spheres are 8.45 cm apart. They...Ch. 21 - (II) A person scuffing her feet on a wool rug on a...Ch. 21 - (II) What is the total charge of all the electrons...Ch. 21 - (II) Compare the electric force holding the...Ch. 21 - (II) Two positive point charges are a fixed...Ch. 21 - (II) Particles of charge +75, +48, and 85 C are...Ch. 21 - (II) Three charged particles are placed at the...Ch. 21 - (II) Two small nonconducting spheres have a total...Ch. 21 - (II) A charge of 4.15 mC is placed at each corner...Ch. 21 - (II) Two negative and two positive point charges...Ch. 21 - (II) A charge Q is transferred from an initially...Ch. 21 - (III) Two charges, Q0 and 4Q0, are a distance ...Ch. 21 - (III) Two positive charges +Q are affixed rigidly...Ch. 21 - (III) Two small charged spheres hang from cords of...Ch. 21 - (I) What are the magnitude and direction of the...Ch. 21 - (I) A proton is released in a uniform electric...Ch. 21 - (I) Determine the magnitude and direction of the...Ch. 21 - (I) A downward electric force of 8.4 N is exerted...Ch. 21 - (I) The electric force on a +4.20-C charge is...Ch. 21 - (I) What is the electric field at a point when the...Ch. 21 - (II) Draw, approximately, the electric field lines...Ch. 21 - (II) What is the electric field strength at a...Ch. 21 - (II) A long uniformly charged thread (linear...Ch. 21 - (II) The electric field midway between two equal...Ch. 21 - (II) Calculate the electric field at one corner of...Ch. 21 - (II) Calculate the electric field at the center of...Ch. 21 - (II) Determine the direction and magnitude of the...Ch. 21 - (II) Two point charges, Q1 = 25 and Q2 = +45 ,...Ch. 21 - (II) A very thin line of charge lies along the x...Ch. 21 - (II) (a) Determine the electric field E at the...Ch. 21 - (II) Draw, approximately, the electric field lines...Ch. 21 - (II) Two parallel circular rings of radius R have...Ch. 21 - (II) You are given two unknown point charges, Q1...Ch. 21 - (II) Use Coulombs law to determine the magnitude...Ch. 21 - (II) (a) Two equal charges Q are positioned at...Ch. 21 - (II) At what position, x = xM, is the magnitude of...Ch. 21 - (II) Estimate the electric field at a point 2.40...Ch. 21 - (II) The uniformly charged straight wire in...Ch. 21 - (II) Use your result from Problem 46 to find the...Ch. 21 - (II) Determine the direction and magnitude of the...Ch. 21 - (II) A thin rod bent into the shape of an arc of a...Ch. 21 - (III) A thin glass rod is a semicircle of radius...Ch. 21 - (III) Suppose a uniformly charged wire starts at...Ch. 21 - (III) Suppose in Example 2111 that x = 0.250m. Q =...Ch. 21 - (III) A thin rod of length carries a total charge...Ch. 21 - (III) Uniform plane of charge. Charge is...Ch. 21 - (III) Suppose the charge Q on the ring of Fig....Ch. 21 - (II) An electron with speed v0 = 27.5 106 m/s is...Ch. 21 - (II) An electron has an initial velocity...Ch. 21 - (II) An electron moving to the right at 7.5 105...Ch. 21 - (II) At what angle will the electrons in Example...Ch. 21 - (II) An electron is traveling through a uniform...Ch. 21 - (II) A positive charge q is placed at the center...Ch. 21 - (II) A dipole consists of charges +e and e...Ch. 21 - (II) The HCl molecule has a dipole moment of about...Ch. 21 - (II) Suppose both charges in Fig. 2145 (for a...Ch. 21 - (II) An electric dipole, of dipole moment p and...Ch. 21 - (III) Suppose a dipole p is placed in a nonuniform...Ch. 21 - (III) (a) Show that at points along the axis of a...Ch. 21 - How close must two electrons be if the electric...Ch. 21 - Given that the human body is mostly made of water,...Ch. 21 - A 3.0-g copper penny has a positive charge of 38...Ch. 21 - Measurements indicate that there is an electric...Ch. 21 - (a) The electric field near the Earths surface has...Ch. 21 - A water droplet of radius 0.018 mm remains...Ch. 21 - Estimate the net force between the CO group and...Ch. 21 - Suppose that electrical attraction, rather than...Ch. 21 - In a simple model of the hydrogen atom, the...Ch. 21 - A positive point charge Q1 = 2.5 105 C is fixed...Ch. 21 - When clothes are removed from a dryer, a 40-g sock...Ch. 21 - A small lead sphere is encased in insulating...Ch. 21 - A large electroscope is made with leaves that are...Ch. 21 - Dry air will break down and generate a spark if...Ch. 21 - Two pint charges, Q1 = 6.7 and Q2 = 1.8 C, are...Ch. 21 - Packing material made of pieces of foamed...Ch. 21 - One type of electric quadrupole consists of two...Ch. 21 - Suppose electrons enter a uniform electric field...Ch. 21 - An electron moves in a circle of radius r around a...Ch. 21 - Three very large square planes of charge are...Ch. 21 - A point charge (m = 1.0 g) at the end of an...Ch. 21 - Four equal positive point charges, each of charge...Ch. 21 - Two small, identical conducting spheres A and B...Ch. 21 - A point charge of mass 0.210 kg, and net charge...Ch. 21 - A one-dimensional row of positive ions, each with...Ch. 21 - (III) A thin ring-shaped object of radius a...Ch. 21 - (III) An 8.00 C charge is on the x axis of a...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Which coastal area experiences the largest tidal range difference in height between the high tide and low tide?...
Applications and Investigations in Earth Science (9th Edition)
20. For each pedigree shown,
a. Identify which simple pattern of hereditary trans-mission (autosomal dominant,...
Genetic Analysis: An Integrated Approach (3rd Edition)
Explain the role of gene flow in the biological species concept.
Campbell Biology (11th Edition)
Explain all answers clearly, with complete sentences and proper essay structure if needed. An asterisk (*) desi...
Cosmic Perspective Fundamentals
Use the key to classify each of the following described tissue types into one of the four major tissue categori...
Anatomy & Physiology (6th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- 4) As shown in Figure, charge is distributed along the z-axis between z = +5 m with an uniform line density pi = 30 nC/m. Determine E at (0,5,0) m by replacing the point (2,0,0) in the figure in cartesian coordinates. dQ = P, dz R (2, 0, 0), y dE Seçtiğiniz cevabın işaretlendiğini görene kadar bekleyiniz. 20,00 Puan A 76.356a, V/m 55,137a, V/m 134.48a, V/m D 93.018a, V/m * Elektro. Alan teorisi ing(ELE..arrow_forward(a) Two insulated charged copper spheres A and B have their centers separated by a distance of 50 cm. What is the mutual force of electrostatic repulsion if the charge on each is 6.5 x 10-7 C? The radii of A and B are negligible compared to the distance ofarrow_forwardA small spherical insulator of mass 6.34 10-2 kg and charge +0.600 μC is hung by a thread of negligible mass. A charge of −0.900 μC is held 0.150 m away from the sphere and directly to the right of it, so the thread makes an angle θ with the vertical. Find the tension in the thread? I was able to find the angle bu am having some trouble with the tension.arrow_forward
- 15m 1m d P 1m Pv1 Pu2 Located in free space R 1m radius andR= 1.5m Two spherical charges of radius appear as. The volumetric charge densities in both spheres are the same. Pv1 = Pv2 = 3µC/m"kind. The distance between the two spheres from outside to outside d = 0.5mis. From the center of the great sphere R = 1m on the radius circle P Find the magnitude and direction of the electric field at the point. Load Choose a Filearrow_forwardTwo metallic sphere of radius 1 cm and 3 cm respectively are separated by a large distance D,(D»lcm). Initially, the smaller sphere carries a charge Q while the larger one is uncharged. If a thin metallic wire is connected between the two spheres, the ratio of the charges on the smaller sphere to the larger on in equilib- rium will be : [IISc. 2012] (a) 1/3 (b) 1/9 (c) 3 (d) 9arrow_forwardCommon static electricity involves charges ranging from nanocoulombs to microcoulombs. (a) How many electrons are needed to form a charge of –2.00 nC (b) How many electrons must be removed from a neutral object to leave anet charge of 0.500 μC ?arrow_forward
- Two charged spheres (of negligible radii) are separated by 3m. One has a charge of +2q and the other has a charge of +5q. At what point between them (from the +2q) would a test charge feel no acceleration? (m)arrow_forwardProblem 1 = Two source charges (5.0 nC and -3.0 nC) are located on the y-axis respectively at y -0.10 m, as shown below. A test charge q is located on the x-axis at x = 0.30 m. charge is repelled by the 5.0-nC source charge and attracted to the -3.0-nC source charge. (a) (b) (c) 5.00 nC y -3.00 nC 0.300 m 0.100 m X 0 and y - The test First, indicate whether the test charge is positive or negative. Then, letting || = 9.0 nC, find the magnitude and direction of the net electric force on the test charge. (Specify the direction as an angle measured counterclockwise from the +x axis.) Now suppose the test charge q is removed, and only the two source charges remain. Consider three regions along the y-axis: (i) above 5.0 nC, (ii) between 5.0 nC and -3.0 nC, and (iii) below -3.0 nC. In which region(s), other than infinity, is it possible for the net electric potential to be zero? Justify your answer(s) qualitatively, but do not perform any calculations. The net electric field produced by the…arrow_forward(b) In figure, what is the resultant force on the charge in the lower left corner of the square (q1)? Assume that q=4µC and a = 3mm. (0,0)arrow_forward
- (a) Determine the electric field strength at a point 1.00 cm to the left of the middle charge shown in the figure below. N/C 6.00 µC 1.50 µC -2.00 IC 5.00 cm +2.00 cm (b) If a charge of -3.20 µC is placed at this point, what are the magnitude and direction of the force on it? Magnitude N Direction ---Select---arrow_forwardAn 8μC charge is place at the origin and a -5μC charge is placed 2m to the right. A third charge equal to -12μC on the y-axis 3m above the first charge. What is the force of the third charge due to the second charge?arrow_forwardA positive q1=1.55 uC if fixed at the origin, and a second charge q2=-2.09 uC is fixed at x=16.5cm. Where along the x-axis should a third charge be positioned so that it experiences no force?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON
Physics Capacitor & Capacitance part 7 (Parallel Plate capacitor) CBSE class 12; Author: LearnoHub - Class 11, 12;https://www.youtube.com/watch?v=JoW6UstbZ7Y;License: Standard YouTube License, CC-BY