Essential University Physics
4th Edition
ISBN: 9780134988566
Author: Wolfson, Richard
Publisher: Pearson Education,
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 20, Problem 48P
In Fig. 20.29, take q1 = 68 μC, q2 = −34 μC, and q3 = 15 μC. Find the electric force on q3.
FIGURE 20.29 Problems 44 and 45
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
An electric field of 8.50 x 105 V/m is desired between two parallel plates each of area 35.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate?
b. How far apart should two protons be if the electrical force of repulsion on each is equal to its weight on the earth? (k=9.0 x 109 N m2/C2, e = 1.6 x 10-19 C, proton mass =1.67 x 10-27kg)
c. In 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.
A conducting sphere with a radius of 17 cm is charged to 68V relative to V = 0 at r = 0o. What is the
surface charge density o on the surface of the sphere?
(E0 = 8.85 x 10 1ºC² /(Nm²))
Select one:
o = 4.00 x 10 °C/m2
o = 2.95 x 10 8C/m²
o = 3.54 x 10 C/m²
o = 3.77 x 10 ®C/m²
The figure shows an electric dipole. What is the
magnitude of the dipole's electric field at point P?
Assume that q = 6.13 × 10-6 C, d = 3.55 × 106 m,
and r= 1.04 cm.
+g +
L.
7/P
d/2
Chapter 20 Solutions
Essential University Physics
Ch. 20.1 - The proton is a composite particle composed of...Ch. 20.2 - Charge q1 is located at x = 1 m, y = 0. What...Ch. 20.3 - A positive point charge is located at the origin...Ch. 20.4 - Far from a charge distribution, you measure an...Ch. 20.5 - An electron, a proton, a deuteron (a neutron...Ch. 20 - Conceptual Example 20.1 shows that the...Ch. 20 - A free neutron is unstable and soon decays to...Ch. 20 - Where in Fig. 20.5 could you put a third charge so...Ch. 20 - Equation 20.3 gives the electric field of a point...Ch. 20 - Is the electric force on a charged particle always...
Ch. 20 - Why does a dipole, which has no net charge,...Ch. 20 - The ring in Example 20.6 carries total charge Q,...Ch. 20 - A spherical balloon is initially uncharged. If you...Ch. 20 - Why should there be a force between two dipoles,...Ch. 20 - Dipoles A and B are both located in the field of a...Ch. 20 - Suppose the electron and proton charges differed...Ch. 20 - A typical lightning flash delivers about 25 C of...Ch. 20 - Protons and neutrons are made from combinations of...Ch. 20 - Earth carries a net charge of about 5 105 C. How...Ch. 20 - As they fly, honeybees may acquire electric...Ch. 20 - The electron and proton in a hydrogen atom are...Ch. 20 - An electron at Earths surface experiences a...Ch. 20 - You break a piece of Styrofoam packing material,...Ch. 20 - A charge q is at the point x = 1 m, y = 0 m. Write...Ch. 20 - A proton is at the origin and an electron is at...Ch. 20 - An electron experiences an electric force of 0.61...Ch. 20 - Find the magnitude of the electric force on a...Ch. 20 - A 68-nC charge experiences a 150-mN force in a...Ch. 20 - The electric field inside a cell membrane is 8.0...Ch. 20 - A 1.0-C charge experiences a 10-N electric force...Ch. 20 - The electron in a hydrogen atom is 52.9 pm from...Ch. 20 - In Fig. 20.28, point P is midway between the two...Ch. 20 - The water molecule’s dipole moment is 6.17 × 10–30...Ch. 20 - The electric field 22 cm from a long wire carrying...Ch. 20 - Find the line charge density on a long wire if the...Ch. 20 - Find the magnitude of the electric field due to a...Ch. 20 - In his famous 1909 experiment that demonstrated...Ch. 20 - How strong an electric field is needed to...Ch. 20 - A proton moving to the right at 3.8l05m/s enters a...Ch. 20 - An electrostatic analyzer like that of Example...Ch. 20 - Example 20.2: Charge on raindrops vary widely in...Ch. 20 - Example 20.2: Suppose that all three raindrops in...Ch. 20 - Example 20.2: (a) Repeat Example 20.2 to find the...Ch. 20 - Example 20.2: (a) Use calculus to show that the...Ch. 20 - Example 20.7: A 1.00-km length of power line...Ch. 20 - Example 20.7: A uniformly charged wire is 2.18 m...Ch. 20 - Example 20.7: A thin rod of length L lies on the...Ch. 20 - Example 20.7: A thin rod of length L lies on the...Ch. 20 - Two charges, one whose magnitude is twice as large...Ch. 20 - A proton is on the x-axis at x = 1.6 nm. An...Ch. 20 - A charge 3q is at the origin, and a charge 2q is...Ch. 20 - A negative charge q lies midway between two...Ch. 20 - In Fig. 20.29, take q1 = 68 C, q2 = 34 C, and q3 =...Ch. 20 - FIGURE 20.20 Problems 44 and 45 45. In Fig. 20.29,...Ch. 20 - DNA fragments introduced into an electrophoresis...Ch. 20 - A proton is at the origin and an ion is at x = 5.0...Ch. 20 - Four equal charges Q are at the comers of a square...Ch. 20 - A dipole lies on the y-axis and consists of an...Ch. 20 - Show that the field on the x-axis for the dipole...Ch. 20 - Youre 1.44 m from a charge distribution that is...Ch. 20 - Three identical charges q form an equilateral...Ch. 20 - Two identical small metal spheres initially carry...Ch. 20 - Two 38.0-C charges are attached to opposite ends...Ch. 20 - A positive charge Q is located at the origin, and...Ch. 20 - An electron is moving in a circular path around a...Ch. 20 - Find the line charge density on a long wire if a...Ch. 20 - A dipole with dipole moment 1.5 nCm is oriented at...Ch. 20 - You have a job examining patent applications....Ch. 20 - A 5.0-m strand of DNA carries charge +e per nm of...Ch. 20 - Heating in a microwave oven occurs as water...Ch. 20 - A dipole with charges q and separation 2a is...Ch. 20 - Youre taking physical chemistry, and your...Ch. 20 - The electric field on the axis of a uniformly...Ch. 20 - An electric quadrupole consists of two oppositely...Ch. 20 - Four charges lie at the corners of a square of...Ch. 20 - A straight wire 10 m long carries 25 C distributed...Ch. 20 - Two thin rods, each of length a, lie along the...Ch. 20 - Figure 20.35 shows a thin, uniformly charged disk...Ch. 20 - Use the result of Problem 73 to show that the...Ch. 20 - Use the binomial theorem to show that, for x R,...Ch. 20 - A semicircular loop of radius a carries positive...Ch. 20 - A thin rod carries charge Q distributed uniformly...Ch. 20 - A thin rod extends along the x-axis from x = 0 to...Ch. 20 - Youre working on the design of an ink-jet printer....Ch. 20 - BIO The human heart consists largely of elongated...Ch. 20 - At a given distance, far from the heart compared...Ch. 20 - The difference between Figs. 20.38a and 20.38b...Ch. 20 - At the instant shown in Fig. 20.38c, theres an...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Can all of die currents going into the junction shown below be positive? Explain.
University Physics Volume 2
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
23. As we saw in the chapter, wings on race cars push them into the track. The increased normal force makes lar...
College Physics: A Strategic Approach (4th Edition)
1. Can the magnitude of the displacement vector be more than the distance traveled? Less than the distance trav...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
5. A 65 kg gymnast wedges himself between two closely spaced vertical walls by pressing his hands and feet ag...
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
The height of a certain hill (in feet) is given by , where y is the distance (in miles) north, x the distance e...
Introduction to Electrodynamics
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
- What is the magnitude of acceleration of an electron in a uniform electric field of (3.70x10^1) N/C ? The answer should be in m/s2 to 3 significant figures.arrow_forwardAn electric field of E = 24.66 MV/m is desired between two parallel plates, each of area 2.76 cm2 and separated by 3.4 mm of air. What charge must be on each plate? Express your answer in nC. use 80 = 8.8541878x10-12 F/m For this problem,arrow_forwardIf the magnitude of an electric field in air is as great as 3.00×106 N/C, the air becomes ionized and begins to conduct electricity. This phenomenon is called dielectric breakdown. A charge of 27.8 μC is to be placed on a conducting sphere. What is the minimum radius of a sphere that can hold this charge without breakdown?arrow_forward
- A +2.00 nC point charge is at the origin, and a second -5.00 nC point charge is on the x-axis at x = 0.800 m. What is the electric field at x = 1.20 m? 268 N/C, +x-direction 268 N/C, -x-direction 159 N/C, -x-direction 159 N/C, +x-directionarrow_forwardThe figure shows an electric dipole. What is the magnitude of the dipole's electric field at point P? Assume that q = 2.05 x 10-6 C, d = 2.35 x 10-6 m, and r = 6.23 cm. +q d/2 d/2arrow_forwardThe plates of a parallel plate capacitor are 3.28mm apart, and have an area of 12.2cm². Each plate carries a charge of magnitude 4.35x10–³ C. The plates are in vacuum. What is the magnitude of electric field between the plates?arrow_forward
- Charged particles q1=−q1=− 4.00 nCnC and q2=+q2=+ 4.00 nCnC are separated by distance 3.90 mmmm , forming an electric dipole. Find the magnitude of the electric dipole moment. Express your answer in coulomb meters to three significant figures.arrow_forwardqa Oq qc O qa Calculate the magnitude of the electric field at the location of charge q, given that the square is 5.00 cm on a side and q=2.00 μC, given that qa = qb= +0.68 μC and qe qd=-0.68 μC. 1.36e107 q N/Carrow_forwardTwo charged particles, q1 = 6.2 μC and q2=20.4 μC are separated by distance r = 5.8 mm in distilled water at 20oC.What is the magnitude of the electric force between them?Express your answer in newtons.arrow_forward
- 19.51 alla +Y +x In figure-1, the coordinate of point charge q1 = 8 µC is P, (14, 9), the coordinate of charge 2 = 16 µC is P, (12, 3) and the coordinate of charge q = 4 iC is Ps (9, 4). The coordinates have centimeters as unit. a)Find the electric force on q2 due to q1. This vector is denoted by F12- r component of F12 Give your answer to at least three significance diqits. y component of F12 Give your answer to at least three significance digits. b)Find the electric force on qi due to 2. This vector is denoted by F21- I component of F21arrow_forwardProblem: In problem 21.84 of your book. University Physics 15th edition (see End of the Chapter 12 section). what is the electric field along the x-axis at the origin? Answer: E = Q/(2 aarrow_forwardThe electric field on the x axis due to a point charge fixed at the origin is given by E=(b/x^2) where b =6.00kV·m and x≠0. Find the magnitude and sign of the point charge. Show how it is converted to nC.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY