PHYSICS F./SCI... W/MOD V.II W/KIT
4th Edition
ISBN: 9780134819884
Author: GIANCOLI
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 29, Problem 31P
(II) Suppose that the U-shaped conductor and connecting rod in Fig. 29–12a are oriented vertically (but still in contact) so that the rod is falling due to the gravitational force. Find the terminal speed of the rod if it has mass m = 3.6 grams, length
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
(a) The figure below shows two parallel conducting rails 11.6 cm apart, connected by a resistor with resistance R, = 5.00 n. Two metal rods with resistances R, = 13.0 0 and R., = 15.0 0 slide along the rails with negligible friction. Rod R, slides to the left at constant speed v, = 4.00 m/s, vwhile rod R, slides at speed v, = 2.00 m/s. The rods and rails are in the
presence of a uniform magnetic field pointing into the page, perpendicular to the plane of the rails, with a magnitude of B = 0.0100 T.
in
X2x x x
* Ry x
R,
What are the magnitude (in µA) and direction of the current through resistor R,?
278
What are the two motional emfs? What are their directions, based on the velocities of the rods and the direction of the field? From this, can you construct a circuit diagram that allows you to apply Kirchhoff's laws? Can you use Kirchhoff's laws to set up a system of equations that allows you to solve for the current through R,? Be careful of
magnitude
signs. HA
direction
upward
(b) What…
(a) The figure below shows two parallel conducting rails 15.2 cm apart, connected by a resistor with resistance R₂ = 5.00 Q. Two metal rods with resistances R₁ = 11.40 and
R₂ = 15.0 (2 slide along the rails with negligible friction. Rod R₁ slides to the left at constant speed v₁ = 4.00 m/s, while rod R₂ slides at speed v₂ = 2.00 m/s. The rods and rails
are in the presence of a uniform magnetic field pointing into the page, perpendicular to the plane of the rails, with a magnitude of Bin = 0.0100 T.
+5
x
x
x
x
x
x
x x
x
x x x x
x
x
x
x x
x
x
x x x x x
x
upward
x
x
x
---Select---
X *
x x x
x x
x
x
x
Rg x
x x
x
x
R₁
R₂
What are the magnitude (in μA) and direction of the current through resistor R₂?
μA
magnitude
direction
x
x
x
x
(b) What If? What are the magnitude (in μA) and direction of the current through resistor R. if the rods move inward, instead of outward, with the same speeds as in part (a)?
μA
magnitude
direction
(a) —
(b) —
(c)
O
O
Od>c>b> a
Ob>d>a> c
(d) —
Ø
The figure shows four arrangements in which long, parallel, equally spaced wires carry equal currents
directly into or out of the page. Rank the arrangements according to the magnitude of the net force
on the central wire due to the currents in the other wires, greatest first.
Od>b>c> a
Ob>a>c>d
Ob>d>c> a
&
Ⓡ
Ⓡ
O
Chapter 29 Solutions
PHYSICS F./SCI... W/MOD V.II W/KIT
Ch. 29.1 - Return to the Chapter-Opening Question, page 758,...Ch. 29.2 - Prob. 1BECh. 29.3 - In what direction will the electrons now in Fig....Ch. 29.5 - A bicycle headlight is powered by a generator that...Ch. 29.7 - Prob. 1EECh. 29 - Prob. 1QCh. 29 - What is the difference between magnetic flux and...Ch. 29 - Suppose you are holding a circular ring of wire...Ch. 29 - Prob. 4QCh. 29 - Is there a force between the two loops discussed...
Ch. 29 - Suppose you are looking along a line through the...Ch. 29 - The battery mentioned in Question 6 is...Ch. 29 - Prob. 8QCh. 29 - Prob. 9QCh. 29 - In situations where a small signal must travel...Ch. 29 - What is the advantage of placing the two insulated...Ch. 29 - Prob. 12QCh. 29 - A region where no magnetic field is desired is...Ch. 29 - A cell phone charger contains a transformer. Why...Ch. 29 - An enclosed transformer has four wire leads coming...Ch. 29 - The use of higher-voltage lines in homessay, 600 V...Ch. 29 - Prob. 17QCh. 29 - Prob. 18QCh. 29 - Prob. 19QCh. 29 - Will an eddy current brake (Fig. 2921) work on a...Ch. 29 - It has been proposed that eddy currents be used to...Ch. 29 - The pivoted metal bar with slots in Fig. 2935...Ch. 29 - If an aluminum sheet is held between the poles of...Ch. 29 - A bar magnet falling inside a vertical metal tube...Ch. 29 - A metal bar, pivoted at one end, oscillates freely...Ch. 29 - Since a magnetic microphone is basically like a...Ch. 29 - Prob. 1PCh. 29 - (I) The north pole of the magnet in Fig. 2936 is...Ch. 29 - Prob. 3PCh. 29 - (I) A 22.0-cm-diameter loop of wire is initially...Ch. 29 - Prob. 5PCh. 29 - (II) A 10.8-cm-diameter wire coil is initially...Ch. 29 - (II) A 16-cm-diameter circular loop of wire is...Ch. 29 - (II) (a) If the resistance of the resistor in Fig....Ch. 29 - Prob. 9PCh. 29 - (II) The magnetic field perpendicular to a...Ch. 29 - (II) A circular loop in the plane of the paper...Ch. 29 - (II) Part of a single rectangular loop of wire...Ch. 29 - (II) While demonstrating Faradays law to her...Ch. 29 - Prob. 14PCh. 29 - (II) A 22.0-cm-diameter coil consists of 28 turns...Ch. 29 - (II) A power line carrying a sinusoidally varying...Ch. 29 - (II) The magnetic field perpendicular to a single...Ch. 29 - Prob. 18PCh. 29 - (II) A 25-cm-diameter circular loop of wire has a...Ch. 29 - (II) The area of an elastic circular loop...Ch. 29 - Prob. 21PCh. 29 - Prob. 22PCh. 29 - Prob. 23PCh. 29 - (II) Inductive battery chargers, which allow...Ch. 29 - Prob. 25PCh. 29 - Prob. 26PCh. 29 - (I) The moving rod in Fig. 2912b is 13.2 cm long...Ch. 29 - (I) The moving rod in Fig. 2912b is 12.0 cm long...Ch. 29 - Prob. 29PCh. 29 - (II) If the U-shaped conductor in Fig. 2912a has...Ch. 29 - (II) Suppose that the U-shaped conductor and...Ch. 29 - (II) When a car drives through the Earths magnetic...Ch. 29 - Prob. 33PCh. 29 - Prob. 34PCh. 29 - (III) A short section of wire, of length a, is...Ch. 29 - (I) The generator of a car idling at 875-rpm...Ch. 29 - Prob. 37PCh. 29 - (II) A simple generator has a 480-loop square coil...Ch. 29 - (II) Show that the rms output of an ac generator...Ch. 29 - (II) A 250-loop circular armature coil with a...Ch. 29 - Prob. 41PCh. 29 - (I) A motor has an armature resistance of 3.05 ....Ch. 29 - (II) What will be the current in the motor of...Ch. 29 - (II) The back emf in a motor is 85 V when the...Ch. 29 - Prob. 45PCh. 29 - (I) A transformer has 620 turns in the primary...Ch. 29 - (I) Neon signs require 12 kV for their operation....Ch. 29 - (II) A model-train transformer plugs into 120-V ac...Ch. 29 - (II) The output voltage of a 75-W transformer is...Ch. 29 - (II) If 65 MW of power at 45 kV (rms) arrives at a...Ch. 29 - Prob. 51PCh. 29 - (III) Design a dc transmission line that can...Ch. 29 - (III) Suppose 85 kW is to be transmitted over two...Ch. 29 - Prob. 54PCh. 29 - (II) The betatron, a device used to accelerate...Ch. 29 - (III) Show that the electrons in a betatron,...Ch. 29 - (III) Find a formula for the net electric field in...Ch. 29 - Prob. 58GPCh. 29 - A square loop 27.0 cm on a side has a resistance...Ch. 29 - Power is generated at 24 kV at a generating plant...Ch. 29 - Prob. 61GPCh. 29 - Prob. 62GPCh. 29 - A pair of power transmission lines each have a...Ch. 29 - Show that the power loss in transmission lines,...Ch. 29 - A high-intensity desk lamp is rated at 35 W but...Ch. 29 - Prob. 66GPCh. 29 - A coil with 150 turns, a radius of 5.0 cm, and a...Ch. 29 - A search coil for measuring B (also called a flip...Ch. 29 - A ring with a radius of 3.0 cm and a resistance of...Ch. 29 - A flashlight can be made that is powered by the...Ch. 29 - A small electric car overcomes a 250-N friction...Ch. 29 - What is the energy dissipated as a function of...Ch. 29 - A thin metal rod of length rotates with angular...Ch. 29 - The magnetic field of a shunt-wound dc motor is...Ch. 29 - Prob. 75GPCh. 29 - A circular metal disk of radius R rotates with...Ch. 29 - What is the magnitude and direction of the...Ch. 29 - Prob. 78GPCh. 29 - Prob. 79GPCh. 29 - Prob. 80GP
Additional Science Textbook Solutions
Find more solutions based on key concepts
Consider two wave functions, y1(x,t)=0.40msin(m1xs1t) and y2(x,t)=0.40msin(m1xs1t+3) . (a) Using a spreadsheet,...
University Physics Volume 1
Your 200-g cup of tea is boiling-hot. About how much ice should you add to bring it down to a comfortable sippi...
An Introduction to Thermal Physics
Comparing the visible and the infrared types of light, which would you say has an easier time getting through o...
Lecture- Tutorials for Introductory Astronomy
A spherical surface surrounds an isolated positive charge, as shown. (1) If a second charge is placed outside t...
Essential University Physics: Volume 2 (3rd Edition)
10. Why is it important to study physics? Provide a few examples of what an understanding of the physical world...
Applied Physics (11th Edition)
TEST YOUR UNDERSTANDING OF SECTION 31.2 An oscillating voltage of fixed amplitude is applied across a circuit e...
University Physics with Modern Physics (14th 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
- Four very long straight parallel wires, located at the corners of a square of side l, carry equal currents I perpendicular to the page as shown in Fig. 20-64. Determine the magnitude and direction of B at the center C of the square. -l- FIGURE 20-64 Problem 73. 3:arrow_forward59 In Fig. 27-51, R₁ = 20.0 2, R₂ = 10.0 2, and the ideal bat- tery has emf & = 120 V. What is the current at point a if we close (a) only switch S₁, (b) only switches S₁ and S₂, and (c) all three switches? Figure 27-51 Problem 59. a S₁ S₂ S3 18 R₁ R₁ R₁ I'm LwIw Im R₁ R₂ R₂arrow_forwardGiven that the vertical conducting rod in the immediately preced- ing question has a resistance of 7.69n, the minimum rate of energy input to the system to keep the rod moving at constant velocity is most nearlyarrow_forward
- Figure 30-54 shows a rod oflength L 10.0 cm that is forced tomove at constant speed v 5.00 m/salong horizontal rails. The rod, rails,and connecting strip at the rightform a conducting loop. The rod hasresistance 0.400 1; the rest of theloop has negligible resistance. A cur-rent i ! 100 A through the longstraight wire at distance a ! 10.0 mmfrom the loop sets up a (nonuniform)magnetic field through the looparrow_forwardVerify that the units of ΔΦ / Δt are volts. That is, show that 1 T ⋅ m2 / s = 1 V .arrow_forwardAn accelerating voltage of 2.70 x 10³ V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 38.1 cm away. (a) What is the magnitude of the deflection on the screen caused by the Earth's gravitational field? (b) What is the direction of the deflection on the screen caused by the Earth's gravitational field? O up down east west (c) What is the magnitude of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 pt down? mm (d) What is the direction of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 µT down? O north south east west (e) Does an electron in this vertical magnetic field move as a projectile, with constant vector acceleration perpendicular to a constant northward component of velocity? O Yes O No (f) Is it a good approximation to assume it has this projectile motion? O Yes…arrow_forward
- 8 Figure 29-31 shows four arrangements in which long, parallel, equally spaced wires carry equal currents directly into or out of the page. Rank the arrangements according to the magnitude of the net force on the central wire due to the currents in the other wires, greatest first. (a) (b) (c) (d)arrow_forwardAn accelerating voltage of 2.72 x 10³ V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 32.8 cm away. (a) What is the magnitude of the deflection on the screen caused by the Earth's gravitational field? m (b) What is the direction of the deflection on the screen caused by the Earth's gravitational field? O up O down O east O west (c) What is the magnitude of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 μT down? mm (d) What is the direction of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 μT down? O north O south O east O westarrow_forwardHall potentials are much larger for poor conductors than for good conductors. Why?arrow_forward
- A hollow cylinder is shown in this figure. When the potential difference (AV = 12 V) is applied between the inner (a) and outer (b) surfaces, find the electric current (I), if a 1 cm, b = 2 cm, L= 1 m, Pcopper = 1.7x 10 Q. m, and 7 = 3.14. A) 3.86 nA B) 4.98 nA C) 5.75 nA D) 6.42 nA E) 8.12 nAarrow_forwardFor an incompressible plane flow in polar coordinates, weare givenυr = r3 cos θ + r2 sin θFind the appropriate form of circumferential velocity forwhich continuity is satisfied.arrow_forwardA hollow cylinder is shown in this figure. When the potential difference (AV = 12 V) is applied between the inner (a) and outer (b) surfaces, find the electric current (I), if a =1 cm, b 2 cm, L = 1 m, Pcopper = 1.7x 10-8Q. m, and 7 = 3. 14. %3D A) 3.86 nA B) 4.98 nA C) 5.75 nA D) 6.42 nA E) 8.12 nA Lütfen birini seçin: O A O B O D O Earrow_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 LearningCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author: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
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Magnets and Magnetic Fields; Author: Professor Dave explains;https://www.youtube.com/watch?v=IgtIdttfGVw;License: Standard YouTube License, CC-BY