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 59P
Find the line charge density on a long wire if a 6.8-μg particle carrying 2.1 nC describes a circular orbit about the wire with speed 280 m/s.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Two 1.5-cm-diameter disks face each other, 1.5 mm apart. They are charged to ± 10 nC .
A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have to just barely reach the positive disk?
Express your answer in meters per second.
I thought the anwser was 1.1*106 but this was incorrect
A proton is flying through space with an initial velocity vo = 1.4 x 106 m/s, as shown below. It interacts with a fixed negative charge q = - 20 nC along the path shown. What is its speed in m/s when it reaches the point P, given that x = 2.2 cm and y = 8.6 cm? Give your answer to 3 significant digits.
What is the line charge density on a long wire if a 7.1 μg particle carrying 2.4 nC describes a circular orbit about the wire with speed 320 m/s?
Express your answer using two significant figures.
197) ΑΣΦ
λ=
BANC
?
HC/m
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
15. How do weight and mass differ?
Applied Physics (11th Edition)
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective
2. (I) What is the approximate mass of air in a living room 5.6 m×3.6 m × 2.4 m?
Physics: Principles with Applications
A thin plate has a round hole whose diameter in its rest frame is D. The plate is parallel to the ground and mo...
Modern Physics
Youre an optometrist helping a nearsighted patient who claims he cant see clearly beyond 80cm. Prescribe a lens...
Essential University Physics: Volume 2 (3rd Edition)
Choose the best answer to each of the following. Explain your reasoning. What would stars be like if carbon had...
The Cosmic Perspective Fundamentals (2nd 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 thin metal ring of radius R is placed horizontally and charged with charge Q. A point like object with mass m and charge q is let fall vertically from a height H measured from the plane of the ring. The initial velocity is zero. The object is falling along the axis of a ring. What is the velocity of the object, when it reaches the middle of the ring? Gravitational acceleration is denoted by g.arrow_forwardAs seen in the figure, a properly loaded, very long and + λ load density lies in the xy plane and makes a 45 ° angle with the y axis. An electron moves around the wire in a circular orbit of radius r. Find an expression for the magnitude of the electron's velocity. Ignore the gravity effect.(The magnitude of the charge of the electron e and its mass m)arrow_forwardWhat is the electric field at a point that is 2.5 cm from a 85.0 m straight wire that is charged with 2.5 C/m in SI Base units?arrow_forward
- .tr/?transaction3LMS.EDU.StudentEvaluation.TakeStudentEvaluation/1229072 +22 As shown in the figure, a very long uniformly charged wire having charge density of +21 is directed in the xy plane and makes an angle of 30° to y axis. An electron moves in a circular path of radius r around this wire. Find a statement for the magnitude of the velocity of the electron. The effect of gravitation will be neglected. (the magnitude of the charge ofelectron is e and its mass is m). a) 2 keA 2kea b) kel c)22m d) V 2m 3ke2 keA e) 2am m m Seçtiğiniz cevabın işaretlendiğini görene kadar bekleyiniz. Soruyu boş bırakmak isterseniz işare 5,00 Puan a yazınarrow_forwardTwo red blood cells each have a mass of 5.05 × 10-¹4 kg and carry a negative charge spread uniformly over their surfaces. The repulsion arising from the excess charge prevents the cells from clumping together. Once cell carries -2.60 pC of charge and the other -2.70 pC, and each cell can be modeled as a sphere 8.20 µm in diameter. What minimum relative speed u would the red blood cells need when very far away from each other to get close enough to just touch? Ignore viscous drag from the surrounding liquid. V = What is the magnitude of the maximum acceleration amax of each cell? Cmax = m/s m/s²arrow_forwardOn planet Tehar, the free- fall acceleration is the same as that on the Earth, but there is also a strong electric field that is uniform close to the planet’s surface. A 8.70 kg ball having a charge of 1.90 μC is thrown upward at a speed of 2.20 m/ s. It hits the ground after an interval of 6.50 s.(b) What is the total acceleration experienced by the ball? Note: This value could be close to 9.80 m/s2. If so, please use at least 5 decimal places if you use this result in part (c). (d) What is the electric potential difference between the starting point and the top point of the trajectory?arrow_forward
- A proton follows the path shown in (Figure 1). Its initial speed is v0 = 1.9×106 m/s. Figure 1 of 1The figure shows a proton, which has speed v 0 directed upward and is located 3.0 millimeters to the right from the negative charge of minus 10 nanocoulombs. Point P is located 4.0 millimeters above the negative charge. The trajectory of the proton passes through point P forming a convex curve. Part A What is the proton's speed as it passes through point P? Express your answer to two significant figures and include the appropriate units.arrow_forwardDuring surgery, anesthesiolgists uses a mass spectrometer to monitor the respiratory gases of a patient. A gas often monitored is Isoflurane (molar mass = 3.06 ×10-25kg). A singly ionized molecules of isoflurane has a charge if +e and moves at a speed of 7.5×103 m/s. If the path in which it travels is considered circular with a radius of 0.10 m then: Calculate the magnitude of the magnetic field that the spectrometer uses. If, and in a hypothetical case, a secondary reaction occurs creating a second particle which is negatively charged, twice the mass of the isoflurane and travels at 1.8 ×103 m/s. What is the radius of its circular path? Draw how the paths of these two molecules are affected under the influence of the magnetic force.arrow_forwardBilly Pilgrim finds himself kidnapped by a flying saucer and taken to the planetTralfamadore. On this planet, the acceleration of gravity is the same as that onEarth, but there is also a strong downward electric field with the field beinguniform close to the planet’s surface. A 2.00kg ball having a charge of 5.00μC isthrown upward at a speed of 20.1m/s and it hits the ground after an interval of4.10s. What is the voltage difference between the starting point and the top pointof the trajectory?arrow_forward
- A charged belt, 61 cm wide, travels at 42 m/s between a source of charge and a sphere. The belt carries charge into the sphere at a rate corresponding to 120 µA. Compute the surface charge density on the belt.arrow_forwardDuring surgery, anesthesiolgists uses a mass spectrometer to monitor the respiratory gases of a patient. A gas often monitored is Isoflurane (molar mass = 3.06 ×10-25 kg). A singly ionized molecules of isoflurane has a charge if +e and moves at a speed of 7.5×103 m/s. If the path in which it travels is considered circular with a radius of 0.10 m then: Calculate the magnitude of the magnetic field that the spectrometer uses. If, and in a hypothetical case, a secondary reaction occurs creating a second particle which is negatively charged, twice the mass of the isoflurane and travels at 1.8 ×103 m/s. What is the radius of its circular path? Draw how the paths of these two molecules are affected under the influence of the magnetic force.arrow_forwardOn planet Tehar, the free- fall acceleration is the same as that on the Earth, but there is also a strong electric field that is uniform close to the planet’s surface. A 8.60 kg ball having a charge of 2.10 μC is thrown upward at a speed of 2.70 m/ s. It hits the ground after an interval of 5.00 s.(b) What is the total acceleration experienced by the ball? On planet Tehar, the free- fall acceleration is the same as that on the Earth, but there is also a strong electric field that is uniform close to the planet’s surface. A 8.60 kg ball having a charge of 2.10 μC is thrown upward at a speed of 2.70 m/s. It hits the ground after an interval of 5.00 s. (d) What is the electric potential difference between the starting point and the top point of the trajectory?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
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