Physics
5th Edition
ISBN: 9781260486919
Author: GIAMBATTISTA
Publisher: MCG
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Chapter 19, Problem 113P
To determine
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A positively charged disk has a uniform charge per unit area σ.
dq
R
P
x
The total electric field at P is given by the following.
Ek [2 -
x
(R² + x2) 1/2
Sketch the electric field lines in a plane perpendicular to the plane of the disk passing through its center.
Consider a closed triangular box resting within a horizontal electric field of magnitude E = 8.02 104 N/C as shown in the figure below.
A closed right triangular box with its vertical side on the left and downward slope on the right rests within a horizontal electric field vector E that points from left to right. The box has a height of 10.0 cm and a depth of 30.0 cm. The downward slope of the box makes an angle of 60 degrees with the vertical.
(a) Calculate the electric flux through the vertical rectangular surface of the box. kN · m2/C(b) Calculate the electric flux through the slanted surface of the box. kN · m2/C(c) Calculate the electric flux through the entire surface of the box. kN · m2/C
The figure below shows, at left, a solid disk of radius R = 0.600 m and mass 75.0 kg.
Tu
Mounted directly to it and coaxial with it is a pulley with a much smaller mass and a radius of r = 0.230 m. The disk and pulley assembly are on a frictionless axle. A belt is wrapped around the pulley and connected to an electric motor as shown on the right. The turning motor gives the disk
and pulley a clockwise angular acceleration of 1.67 rad/s². The tension T in the upper (taut) segment of the belt is 145 N.
(a) What is the tension (in N) in the lower (slack) segment of the belt?
N
(b) What If? You replace the belt with a different one (one slightly longer and looser, but still tight enough that it does not sag). You again turn on the motor so that the disk accelerates clockwise. The upper segment of the belt once again has a tension of 145 N, but now the tension in
the lower belt is exactly zero. What is the magnitude of the angular acceleration (in rad/s²)?
rad/s²
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 - In Problem 67, what is the magnetic field at a...Ch. 19 - What is the magnetic field at point P if the...Ch. 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 - Two concentric circular wire loops in the same...Ch. 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 - 110. A solenoid with 8500 turns per meter has...Ch. 19 - Prob. 109PCh. 19 - Prob. 111PCh. 19 - Prob. 115PCh. 19 - Prob. 112PCh. 19 - Prob. 113PCh. 19 - Prob. 114PCh. 19 - Prob. 117PCh. 19 - Prob. 116PCh. 19 - Prob. 118PCh. 19 - Prob. 120PCh. 19 - Prob. 121PCh. 19 - Prob. 122PCh. 19 - Prob. 123PCh. 19 - Prob. 124PCh. 19 - Prob. 125PCh. 19 - Prob. 126PCh. 19 - Prob. 127PCh. 19 - Prob. 128P
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