Physics
3rd Edition
ISBN: 9781259233616
Author: GIAMBATTISTA
Publisher: MCG
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Chapter 19, Problem 3P
To determine
To sketch the magnetic field lines for two identical bar magnets as in configuration.
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Portfolio Problem 3. A ball is thrown vertically upwards with a speed vo
from the floor of a room of height h. It hits the ceiling and then returns to the
floor, from which it rebounds, managing just to hit the ceiling a second time.
Assume that the coefficient of restitution between the ball and the floor, e, is
equal to that between the ball and the ceiling. Compute e.
Portfolio Problem 4. Consider two identical springs, each with natural length
and spring constant k, attached to a horizontal frame at distance 2l apart. Their
free ends are attached to the same particle of mass m, which is hanging under
gravity. Let z denote the vertical displacement of the particle from the hori-
zontal frame, so that z < 0 when the particle is below the frame, as shown in
the figure. The particle has zero horizontal velocity, so that the motion is one
dimensional along z.
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(a) Show that the total force acting on the particle is
X
F-mg k-2kz 1
(1.
l
k.
(b) Find the potential energy U(x, y, z) of the system such that U
x = : 0.
= O when
(c) The particle is pulled down until the springs are each of length 3l, and then
released. Find the velocity of the particle when it crosses z = 0.
In the figure below, a semicircular conductor of radius R = 0.260 m is rotated about the axis AC at a constant rate of 130 rev/min. A uniform magnetic field of magnitude 1.22 T fills the entire region below the axis and is directed out of the page.
R
Pout
(a) Calculate the maximum value of the emf induced between the ends of the conductor.
1.77
v
(b) What is the value of the average induced emf for each complete rotation?
0
v
(c) How would your answers to parts (a) and (b) change if the magnetic field were allowed to extend a distance R above the axis of rotation? (Select all that apply.)
The value in part (a) would increase.
The value in part (a) would remain the same.
The value in part (a) would decrease.
The value in part (b) would increase.
The value in part (b) would remain the same.
The value in part (b) would decrease.
×
(d) Sketch the emf versus time when the field is as drawn in the figure. Choose File No file chosen
This answer has not been graded yet.
(e) Sketch the emf…
Chapter 19 Solutions
Physics
Ch. 19.2 - 19.2
An electron is moving with speed v in a...Ch. 19.2 - 19.1 Acceleration of Cosmic Ray Particle
If v =...Ch. 19.2 - 19.2 Magnetic Force on an Electron
Find the...Ch. 19.2 - Practice Problem 19.3 Velocity Component Parallel...Ch. 19.3 - 19.4 Ion Speed
The magnetic field used in the mass...Ch. 19.3 - 19.5 Increasing Kinetic Energy in a Proton...Ch. 19.4 - 19.4
A particle’s helical motion is shown in Fig....Ch. 19.5 - 19.5 (a) , points east, and q is negative, so ...Ch. 19.5 - Practice Problem 19.6 Deflection of a Particle...Ch. 19.5 - Prob. 19.7PP
Ch. 19.6 - 19.6
Suppose the magnetic field in Fig. 19.28 were...Ch. 19.6 - 19.8 Magnetic Force on a Current-Carrying Wire
A...Ch. 19.7 - CHECKPOINT 19.7
Suppose the coil of wire in Fig....Ch. 19.7 - Practice Problem 19.9 Torque on a Coil
Starting...Ch. 19.8 - 19.8
What is the direction of the magnetic field...Ch. 19.8 - 19.10 Field Midway Between Two Wires
Find the...Ch. 19.9 - Prob. 19.11PPCh. 19 - Prob. 1CQCh. 19 - Prob. 2CQCh. 19 - Prob. 3CQCh. 19 - Prob. 4CQCh. 19 - Prob. 5CQCh. 19 - Prob. 6CQCh. 19 - Prob. 7CQCh. 19 - Prob. 8CQCh. 19 - Prob. 9CQCh. 19 - Prob. 10CQCh. 19 - Prob. 11CQCh. 19 - Prob. 12CQCh. 19 - Prob. 13CQCh. 19 - Prob. 14CQCh. 19 - Prob. 15CQCh. 19 - Prob. 16CQCh. 19 - Prob. 17CQCh. 19 - Prob. 18CQCh. 19 - Prob. 19CQCh. 19 - Prob. 20CQCh. 19 - Prob. 21CQCh. 19 - Prob. 22CQCh. 19 - Prob. 23CQCh. 19 - Prob. 1MCQCh. 19 - Prob. 2MCQCh. 19 - Multiple-Choice Questions 1-4. In the figure, four...Ch. 19 - Prob. 4MCQCh. 19 - Prob. 5MCQCh. 19 - Prob. 6MCQCh. 19 - Prob. 7MCQCh. 19 - Prob. 8MCQCh. 19 - Multiple-Choice Questions 6-9. A wire carries...Ch. 19 - Prob. 10MCQCh. 19 - 11. The magnetic forces that two parallel wires...Ch. 19 - Prob. 12MCQCh. 19 - 1. At which point in the diagram is the magnetic...Ch. 19 - 2. Draw vector arrows to indicate the direction...Ch. 19 - Problems 3-6. Sketch some magnetic field lines for...Ch. 19 - Prob. 4PCh. 19 - Prob. 5PCh. 19 - Problems 3–6. Sketch some magnetic field lines for...Ch. 19 - 7. Find the magnetic force exerted on an electron...Ch. 19 - 8. Find the magnetic force exerted on a proton...Ch. 19 - 9. A uniform magnetic field points north; its...Ch. 19 - 10. A uniform magnetic field points vertically...Ch. 19 - Problems 11-14. Several electrons move at speed...Ch. 19 - 12. Find the magnetic force on the electron at...Ch. 19 - 12. Find the magnetic force on the electron at...Ch. 19 - Problems 11-14. Several electrons move at speed...Ch. 19 - 15. A magnet produces a 0.30 T field between its...Ch. 19 - 16. At a certain point on Earth’s surface in the...Ch. 19 - 17. A cosmic ray muon with the same charge as an...Ch. 19 - 18. In a CRT. electrons moving at 1.8 × 107 m/s...Ch. 19 - 19. A positron (q = +e) moves at 5.0 × 107 m/s in...Ch. 19 - 20. ✦ An electron moves with speed 2.0 × 105 m/s...Ch. 19 - 21. ✦ An electron moves with speed 2.0 × 105 m/s...Ch. 19 - 19.3 Charged Particle Moving Perpendicularly to a...Ch. 19 - 23. Six protons move (at speed v) in magnetic...Ch. 19 - 24. An electron moves at speed 8.0 × 105 m/s in a...Ch. 19 - 25. The magnetic field in a hospital’s cyclotron...Ch. 19 - 26. The magnetic field in a cyclotron used in...Ch. 19 - 27. The magnetic field in a cyclotron used to...Ch. 19 - 28. A beam of α particles (helium nuclei) is used...Ch. 19 - 29. A singly charged ion of unknown mass moves in...Ch. 19 - 30. In one type of mass spectrometer, ions having...Ch. 19 - 31. Natural carbon consists of two different...Ch. 19 - 32. After being accelerated through a potential...Ch. 19 - 33. A sample containing carbon (atomic mass 12 u),...Ch. 19 - Prob. 34PCh. 19 - 35. Show that the time for one revolution of a...Ch. 19 - 36. Crossed electric and magnetic fields are...Ch. 19 - 37. A current I = 40.0 A flows through a strip of...Ch. 19 - 38. In Problem 37, if the width of the strip is...Ch. 19 - 39. In Problem 37, the width of the strip is 3.5...Ch. 19 - 40. The strip in the diagram is used as a Hall...Ch. 19 - 41. A strip of copper 2.0 cm wide carries a...Ch. 19 - Prob. 42PCh. 19 - 43. An electromagnetic flowmeter is used to...Ch. 19 - 44. A charged particle is accelerated from rest...Ch. 19 - 45. A straight wire segment of length 0.60 m...Ch. 19 - 46. A straight wire segment of length 25 cm...Ch. 19 - 47. Parallel conducting tracks, separated by 2.0...Ch. 19 - 48. An electromagnetic rail gun can fire a...Ch. 19 - 49. A straight, stiff wire of length 1.00 m and...Ch. 19 - Prob. 50PCh. 19 - Prob. 51PCh. 19 - Prob. 52PCh. 19 - 53. ✦ A straight wire is aligned east-west in a...Ch. 19 -
54. A straight wire is aligned north-south in a...Ch. 19 - 55. In each of six electric motors, a cylindrical...Ch. 19 -
56. In an electric motor, a circular coil with...Ch. 19 - 57. In an electric motor, a coil with 100 turns of...Ch. 19 - 58. A square loop of wire of side 3.0 cm carries...Ch. 19 - 59. The intrinsic magnetic dipole moment of the...Ch. 19 - 60. In a simple model, the electron in a hydrogen...Ch. 19 - 61. A certain fixed length L of wire carries a...Ch. 19 - 62. Use the following method to show that the...Ch. 19 - 63. A square loop of wire with side 0.60 m carries...Ch. 19 - Prob. 64PCh. 19 -
65. Estimate the magnetic field at distances of...Ch. 19 - Prob. 66PCh. 19 - 67. Kieran measures the magnetic field of an...Ch. 19 -
68. Two wires each carry 10.0 A of current (in...Ch. 19 - Prob. 69PCh. 19 -
70. Point P is midway between two long, straight,...Ch. 19 -
70. Point P is midway between two long, straight,...Ch. 19 - Prob. 72PCh. 19 - Prob. 73PCh. 19 - 74. Two long straight wires carry the same amount...Ch. 19 - 75. In Problem 74, find the magnetic field at...Ch. 19 -
76. In Problem 74, find the magnetic field at...Ch. 19 - 77. A solenoid of length 0.256 m and radius 2.0 cm...Ch. 19 - 78. Two long straight parallel wires separated by...Ch. 19 - Prob. 79PCh. 19 - Prob. 80PCh. 19 - 81. You are designing the main solenoid for an MRI...Ch. 19 - 82. A solenoid has 4850 turns per meter and radius...Ch. 19 - 83. Find the magnetic field at the center of the...Ch. 19 -
84. Find the magnetic field at point P, the...Ch. 19 - Prob. 85PCh. 19 - Prob. 86PCh. 19 - Prob. 87PCh. 19 - 88. A number of wires carry currents into or out...Ch. 19 - 89. ✦ An infinitely long, thick cylindrical shell...Ch. 19 -
90. In this problem, use Ampère’s law to show...Ch. 19 - Prob. 91PCh. 19 - Prob. 92PCh. 19 - Prob. 93PCh. 19 - Prob. 94PCh. 19 - Prob. 95PCh. 19 - Prob. 96PCh. 19 - Prob. 97PCh. 19 - Prob. 98PCh. 19 - Prob. 99PCh. 19 - Prob. 100PCh. 19 - Prob. 101PCh. 19 - Prob. 102PCh. 19 - Prob. 103PCh. 19 - Prob. 104PCh. 19 - Prob. 105PCh. 19 - 106. Two conducting wires perpendicular to the...Ch. 19 - Prob. 107PCh. 19 - Prob. 108PCh. 19 - Prob. 109PCh. 19 - 110. A solenoid with 8500 turns per meter has...Ch. 19 - Prob. 111PCh. 19 - Prob. 112PCh. 19 - Prob. 113PCh. 19 - Prob. 114PCh. 19 - Prob. 115PCh. 19 - Prob. 116PCh. 19 - Prob. 117PCh. 19 - Prob. 118PCh. 19 - Prob. 119PCh. 19 - Prob. 120PCh. 19 - Prob. 121PCh. 19 - Prob. 122PCh. 19 - Prob. 123PCh. 19 - Prob. 124PCh. 19 - Prob. 125P
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