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
Textbook Question
Chapter 23, Problem 6Q
If V = 0 at a point in space, must
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
If V = 0 at a point in space, must E = 0? If Ē = 0 at some
point, must V = 0 at that point? Explain. Give examples
for each.
1) A proton (p) and electron (e-) are released when they are 4 Å (4 Angstroms). Find the initial accelerations of each particle, from one of the selections below. a) a(p) = 8.63 x 1017 m/s2, a(e-) = 1.58 x 1021 m/s2;
b) a(p) = 3.4 x 1018 m/s2, a(e-) = 6.3 x 1021 m/s2;
c) a(p) = 4.315 x 1016 m/s2, a(e-) = 7.9 x 1020 m/s2;
d) a(p) = 3.45 x 1018 m/s2, a(e-) = 6.32 x 1021 m/s2.
1) Two small spheres are placed a distance 20 cm apart and have equal charge. How many excess electrons must be placed on each sphere if the magnitude of the Coulomb repulsive force is F = 3.33 x 10-21 N? a) 2 x 103;
b) 350;
c) 760;
d) 1.2 x 103.
3)Three individual point charges are placed at the following positions in the x-y plane: Q3 = 5.0 nC at (x, y) = (0,0);
Q2 = -3.0 nC at (x, y) = (4 cm, 0);
and Q1 = ? nC at (x, y) = (2 cm,0);
What is the magnitude, and sign, of charge Q1 such that the net force exerted on charge Q3, exerted by charges Q1 and Q2, is zero? a) Q1 = + 0.5 nC;
b) Q1 = - 0.25 nC;
c) Q1 = +…
This transmission electron microscope (TEM) image of coronavirus can be taken using a beam of
electrons accelerated from rest through a potential difference of 25 kV. What is the final speed of
the electrons?
Provide the answer: .
x 108 m/s
Chapter 23 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 23.2 - CHAPTER-OPENING QUESTIONGuess now! Consider a pair...Ch. 23.2 - On a dry day, a person can become electrically...Ch. 23.3 - What is the potential at a distance of 3.0cm from...Ch. 23.3 - Consider the three pairs of charges, Q1, and Q2,...Ch. 23.8 - Prob. 1EECh. 23.8 - The kinetic energy of a 1000-kg automobile...Ch. 23 - If two points are at the same potential, does this...Ch. 23 - If a negative charge is initially at rest in an...Ch. 23 - State clearly the difference (a) between electric...Ch. 23 - An electron is accelerated by a potential...
Ch. 23 - Can a particle ever move from a region of low...Ch. 23 - If V = 0 at a point in space, must E=0? If E=0 at...Ch. 23 - When dealing with practical devices, we often take...Ch. 23 - Can two equipotential lines cross? Explain.Ch. 23 - Draw in a few equipotential lines in Fig, 2134b...Ch. 23 - What can you say about the electric field in a...Ch. 23 - A satellite orbits the Earth along a gravitational...Ch. 23 - Suppose the charged ring of Example 238 was not...Ch. 23 - Consider a metal conductor in the shape of a...Ch. 23 - Equipotential lines are spaced 1.00 V apart. Does...Ch. 23 - A conducting sphere carries a charge Q and a...Ch. 23 - At a particular location, the electric field...Ch. 23 - Equipotential lines are spaced 1.00 V apart. Does...Ch. 23 - If the electric field E is uniform in a region,...Ch. 23 - Is the electric potential energy of two unlike...Ch. 23 - (I) What potential difference is needed to stop an...Ch. 23 - (I) How much work does the electric field do in...Ch. 23 - (I) An electron acquires 5.25 1016 J of kinetic...Ch. 23 - (II) The work done by an external force to move a...Ch. 23 - (I) Thunderclouds typically develop voltage...Ch. 23 - (I) The electric field between two parallel plates...Ch. 23 - (I) What is the maximum amount of charge that a...Ch. 23 - (I) What is the magnitude of the electric field...Ch. 23 - (I) What minimum radius must a large conducting...Ch. 23 - (II) A manufacturer claims that a carpet will not...Ch. 23 - (II) A uniform electric field E=4.20N/Ci points in...Ch. 23 - (II) The electric potential of a very large...Ch. 23 - (II) The Earth produces an inwardly directed...Ch. 23 - (II) A 32-cm-diameter conducting sphere is charged...Ch. 23 - (II) An insulated spherical conductor of radius r1...Ch. 23 - (II) Determine the difference in potential between...Ch. 23 - (II) Suppose the end of your finger is charged....Ch. 23 - (II) Estimate the electric field in the membrane...Ch. 23 - (II) A nonconducting sphere of radius r0 carries a...Ch. 23 - (III) Repeat Problem 19 assuming the charge...Ch. 23 - (III) The volume charge density E within a sphere...Ch. 23 - (III) A hollow spherical conductor, carrying a net...Ch. 23 - (III) A very long conducting cylinder (length ) of...Ch. 23 - (I) A point charge Q creates an electric potential...Ch. 23 - (I) (a) What is the electric potential 0.50 1010...Ch. 23 - (a) Because of the inverse square nature of the...Ch. 23 - (II) +25C point charge is placed 6.0 cm from an...Ch. 23 - (II) Point a is 26 cm north of a 3.8 C point...Ch. 23 - (II) How much voltage must be used to accelerate a...Ch. 23 - (II) Two identical +5.5 C point charges are...Ch. 23 - (II) An electron starts from rest 42.5cm from a...Ch. 23 - (II) Two equal but opposite charges are separated...Ch. 23 - (II) A thin circular ring of radius R (as in Fig....Ch. 23 - (II) Three point charges are arranged at the...Ch. 23 - (II) A flat ring of inner radius R1 and outer...Ch. 23 - (II) A total charge Q is uniformly distributed on...Ch. 23 - (II) A 12.0-cm-radius thin ring carries a...Ch. 23 - (II) A thin rod of length 2 is centered on the x...Ch. 23 - (II) Determine the potential V(x) for points along...Ch. 23 - (III) The charge on the rod of Fig. 2331 has a...Ch. 23 - (III) Suppose the flat circular disk of Fig. 2315...Ch. 23 - (I) Draw a conductor in the shape of a football....Ch. 23 - (II) Equipotential surfaces are to be drawn 100 V...Ch. 23 - (II) A metal sphere of radius r0 = 0.44 m carries...Ch. 23 - (II) Calculate the electric potential due to a...Ch. 23 - (III) The dipole moment, considered as a vector,...Ch. 23 - (I) Show that the electric field of a single point...Ch. 23 - (I) What is the potential gradient just outside...Ch. 23 - (II) The electric potential between two parallel...Ch. 23 - () The electric potential in a region of space...Ch. 23 - (II) In a certain region of space, the electric...Ch. 23 - (II) A dust particle with mass of 0.050 g and a...Ch. 23 - (III) Use the results or Problems 38 and 39 to...Ch. 23 - (I) How much work must be done to bring three...Ch. 23 - (I) What potential difference is needed to give a...Ch. 23 - (I) What is the speed of (a) a 1.5-keV (kinetic...Ch. 23 - (II) Many chemical reactions release energy....Ch. 23 - (II) An alpha particle (which is a helium nucleus,...Ch. 23 - (II) Write the total electrostatic potential...Ch. 23 - (II) Four equal point charges, Q, are fixed at the...Ch. 23 - (II) An electron starting from rest acquires 1.33...Ch. 23 - (II) Determine the total electrostatic potential...Ch. 23 - (II) The liquid-drop model of the nucleus suggests...Ch. 23 - (III) Determine the total electrostatic potential...Ch. 23 - (I) Use the ideal gas as a model to estimate the...Ch. 23 - (III) Electrons are accelerated by 6.0kV in a CRT....Ch. 23 - (III) In a given CRT, electrons are accelerated...Ch. 23 - If the electrons in a single raindrop, 3.5 mm in...Ch. 23 - By rubbing a nonconducting material, a charge of...Ch. 23 - Sketch the electric field and equipotential lines...Ch. 23 - A +33 C point charge is placed 36 cm from an...Ch. 23 - At each corner of a cube of side there is a point...Ch. 23 - In a television picture tube (CRT), electrons are...Ch. 23 - Four point charges are located at the corners of a...Ch. 23 - In a photocell, ultraviolet (UV) light provides...Ch. 23 - An electron is accelerated horizontally from rest...Ch. 23 - Three charges are at the corners of an equilateral...Ch. 23 - Near the surface of the Earth there is an electric...Ch. 23 - A lightning flash transfers 4.0 C of charge and...Ch. 23 - Determine the components of the electric field. Ex...Ch. 23 - A nonconducting sphere of radius r2 contains a...Ch. 23 - A thin flat nonconducting disk, with radius R0 and...Ch. 23 - A Geiger counter is used to detect charged...Ch. 23 - A Van de Graaff generator (Fig. 2341) can develop...Ch. 23 - The potential in a region of space is given by V =...Ch. 23 - A charge q1 of mass m rests on the y axis at a...Ch. 23 - (II) A dipole is composed of a 1.0 nC charge at x...Ch. 23 - (II) A thin flat disk of radius R0 carries a total...Ch. 23 - (III) You are trying to determine an unknown...
Additional Science Textbook Solutions
Find more solutions based on key concepts
The 1993 adventure film The Core is based on the premise that Earths core has stopped spinning. Earths magnetic...
Conceptual Integrated Science
Which cart takes longer to travel between the two marks? Explain your reasoning.
Tutorials in Introductory Physics
Give an example of something think of as work in everyday circumstances that is not work in the scientific sens...
College Physics
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective
22. A student has 65-cm-long arms. What is the minimum angular velocity (in rpm) for swinging a bucket of water...
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
26.32 In the circuit shown in Fig. E26.32 both batteries have insignificant internal resistance and the idealiz...
University Physics with Modern Physics (14th 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
- A graph as been drawn between 1 over u and 1 over v from the above tabulated values. 1/u Vs 1/v Graph 0.100 0.095 Scale value: X axis Y axis 0.090 1 unit =0.005 cm 1 unit = 0.005 cm 0.08S 0.080 SLOO 0.070 0.065 0.060 0.055 0.050 0.045 0.040 0.035 0.030 0.025 0.020 0.015 0.005 0.000 a.000 a00s a010 a01s ao0 a02s a030 a0s a040 a045 a.050 aoss a.060 004S ao0 a0s a080 a08s a090 a09s a100 1/u in cm-1 1) X intercept (Value of ) in (cm-1) 2) Yintercept (Value of ) in (cm-1) 3) Mean value of (cm-1) 4) Calculate f(cm)arrow_forwardA proton is accelerated through a potential difference of 6 MV. (megavolts) from rest. Calc. the final velocity in m/s (a) 1.4 X 10' (b) 2.4 X 10' (c) 3.4 X 10' (d) 4.4 X 10'.arrow_forwardAn electron is accelerated from rest through a potential difference of 3.00 kV. What is its final velocity? The mass of an electron is 9.109×10-31 kg.arrow_forward
- A proton is accelerated horizontally from rest by a voltage U 1 = 1.0 kV and enters a homogeneous electric field between two parallel and electrically charged plates. The voltage between the plates is U2 = 4.0 kV and the distance between them is 10 cm. We disregard all forces other than the electric power. a) Calculate the starting velocity of the proton and describe the motion that the proton gets when it enters the electric field between the plate. b) Calculate out the stretch as the proton will move horizontally before hitting one of the plates.arrow_forwardIn an experiment in space, one proton is held fixed and another proton is released from rest a distance of 2.50 mm away. What is the initial acceleration of the proton after it is released? a) 2.5x104 m/s? 1.2x104 m/s? 3.0x104 m/s? 2.0x104 m/s? 2.2x104 m/s2 Boş bırakarrow_forwardStarting from rest, a proton falls through a potential difference of 1 MV. Find its final velocity.arrow_forward
- Helium is the second element on the periodic table, meaning it contains two protons in its nucleus. Normally, helium contains two electrons that orbit the nucleus, however you can ionize the helium, which is stripping an electron from the atom. With 2 protons in the nucleus of the atom, what will be the centripetal acceleration of the electron in an ionized helium atom? ( the electron or it’s at a radius of 29.3 x 10^-12 m around the nucleus)arrow_forwardIn C how does 1/C = 1/4 + 1/8 turn into 1/C = 3/8?arrow_forwardIn the science fiction story "The little prince is an android" a second journey of the character from the novel by Antoine de Saint-Exupéry is proposed, in which he visits a planet where respect for the ecosystem is paramount. They have developed a technology capable of storing the energy released in electrical storms where 92 lightning strikes are produced every second. In a simplified way, lightning occurs when the potential difference between the cloud and the planet's surface reaches at least 2.6 cross times 10 to the power of 7 volts. The electrical currents generated in lightning are about 3.4 cross times 10 to the power of 4 amperes on average. Determine the average power of 92 lightning strikes produced with these values of potential difference and an electric current. Select one: O 8.8x 10¹1 W 9.6 × 10⁹ W 8.1 x 10¹3 W 7x 10¹ Warrow_forward
- Hello, can you help me with this physics exercise? I have a few questions that I need to be clear, please kindly explain to me! Thanks a lot!!!! Q1: why vf is not 0? Q2: why we can not use v=v0=gt to find a?arrow_forwardIn one model of the hydrogen atom, the electron revolves in a circular orbit of radius 5.3 x 10-11 m. Calculate the speed of the electron.arrow_forwardConsider the vector field T(x) = y³î – x³j. Which of the following expressions is a vector potential for v(x) ? Select one: a. there is no vector potential since V x u + 0 b. There is no vector potential since V · U = 0 %D c. 3(x2 + y²)k d. –3(x? + y²)k e. none of the other answers is correct. O f.-zx'j + x*k 1 4arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY