Essential University Physics (3rd Edition)
3rd Edition
ISBN: 9780134202709
Author: Richard Wolfson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 20, Problem 44P
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 (3rd Edition)
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 - Why should the test charge used to measure an...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 - Under what circumstances is the path of a charged...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 molecules dipole moment is 6.2 1030Cm....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 - A 2-g ping-pong ball rubbed against a wool jacket...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 9.5C charge is at x = 15cm, y = 5.0cm and a...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 In Fig. 20.29,...Ch. 20 - DNA fragments introduced into an electrophoresis...Ch. 20 - A 65-C point charge is at the origin. Find the...Ch. 20 - A 1.0-C charge and a 2.0-C charge are 10 cm apart....Ch. 20 - A proton is at the origin and an ion is at x = 5.0...Ch. 20 - (a) Find an expression for the electric field on...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 thin rod lies on the x-axis between x = 0 and x...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 - A molecule has its dipole moment aligned with a...Ch. 20 - Two identical dipoles, each of charge q and...Ch. 20 - A dipole with charges q and separation 2a is...Ch. 20 - An electron is at the origin, and an ion with...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 - You measure the electric field on a dipoles axis,...Ch. 20 - A straight wire 10 m long carries 25 C distributed...Ch. 20 - Figure 20.34 shows a thin rod of length L carrying...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 - In Example 20.2, find the position on the y-axis...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 - A rod of length 2L lies on the x-axis, centered at...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
26. A 10 kg crate is placed on a horizontal conveyor belt. The materials are such that and .
a. Draw a free-...
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
The charge density on either side of the interface.
Physics (5th Edition)
17. 350 cm2 = _______m2
Applied Physics (11th Edition)
33. An athlete at the gym holds a 3.0 kg steel ball in his hand. His arm is 70 cm long and has a mass of 4.0 kg...
College Physics: A Strategic Approach (4th Edition)
22. A rock is tossed straight up from ground level with a speed of 20 m/s. When it returns, it falls into a hol...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
An objects velocity is v = ct3 + d, where t is time and c and d are positive constants with appropriate units. ...
Essential University Physics: Volume 1 (3rd 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
- 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 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_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_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