Modified Mastering Physics with Pearson eText -- Access Card -- for College Physics: Explore and Apply (18-Weeks)

2nd Edition

ISBN: 9780136781158

Author: Eugenia Etkina, Gorazd Planinsic

Publisher: Pearson Education (US)

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Textbook Question

Chapter 20, Problem 21CQ

21 A beam of electrons moving toward the east is deflected upward by a magnetic field. Determine the direction in which the magnetic field B → points. Repeat for the case with an E → field instead of a B → field. Describe the effect of each field on the speed of the electron.

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Chapter 20, Problem 20CQ

Chapter 20, Problem 22CQ

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Imagine you are out for a stroll on a sunny day when you encounter a lake. Unpolarized light from the sun is reflected off the lake into your eyes. However, you notice when you put on your vertically polarized sunglasses, the light reflected off the lake no longer reaches your eyes. What is the angle between the unpolarized light and the surface of the water, in degrees, measured from the horizontal? You may assume the index of refraction of air is nair=1 and the index of refraction of water is nwater=1.33 . Round your answer to three significant figures. Just enter the number, nothing else.

Chapter 20 Solutions

Modified Mastering Physics with Pearson eText -- Access Card -- for College Physics: Explore and Apply (18-Weeks)

Ch. 20 - Review Question 20.1 What aspects of compass...Ch. 20 - Review Question 20.2 What is the direction of the...Ch. 20 - Review Question 20.3 Equation (20.2) defines the...Ch. 20 - Review Question 20.4 If the magnetic force is...Ch. 20 - Review Question 20.5 The definition of a 1-A...Ch. 20 - Review Question 20.6 What is the difference...Ch. 20 - Review Question 20.7 Why is there a difference in...Ch. 20 - You place a metal bar magnet on a swivel and bring...Ch. 20 - 2. An electron moves at constant speed from left...Ch. 20 - 3. What is one tesla? a. b. c. d. All of the...

Ch. 20 - Choose all that apply. Objects that produce...Ch. 20 - 5. What is one difference between magnetic and...Ch. 20 - 6. Two parallel straight current-carrying wires...Ch. 20 - 7. Choose all of the units that are fundamental,...Ch. 20 - 8. Particles of various masses, charges, and...Ch. 20 - When a diamagnetic material Is placed in an...Ch. 20 - If you triple the speed of a particle entering a...Ch. 20 - In 1911 physicists measured a magnetic field...Ch. 20 - Describe two experiments that will allow you to...Ch. 20 - How can you determine if there is a magnetic field...Ch. 20 - You have a magnet on which the poles are not...Ch. 20 - 15. List as many ways as you can to detect a...Ch. 20 - Prob. 16CQ Ch. 20 - Prob. 17CQ Ch. 20 - An electron flies through the magnetic field shown...Ch. 20 - Prob. 19CQ Ch. 20 - 20. A beam of electrons is not deflected as it...Ch. 20 - 21 A beam of electrons moving toward the east is...Ch. 20 - 22. Why are residents of northern Canada less...Ch. 20 - Prob. 23CQ Ch. 20 - An electron enters a solenoid at a small angle...Ch. 20 - Two parallel wires carry electric current in the...Ch. 20 - Prob. 26CQ Ch. 20 - Describe a situation in which an electron will be...Ch. 20 - When a switch is closed a compass needle deflects...Ch. 20 - 2. You have a lightbulb connected to a battery....Ch. 20 - 3 The current through a circuit is shown in Figure...Ch. 20 - 4. Draw field lines for the magnetic field...Ch. 20 - 5. * You need to determine the direction of the ...Ch. 20 - 6.* Two compass needles are fixed at the ends of a...Ch. 20 - 7. * In Houston, Earth’s field has a magnitude of...Ch. 20 - * A 15-g 10-cm-long wire is suspended horizontally...Ch. 20 - Prob. 9P Ch. 20 - * A metal rod is connected to a battery through...Ch. 20 - * After you turned on the current in the circuit...Ch. 20 - 13. ** A square coil with 30 turns has sides that...Ch. 20 - * (a) Determine the magnetic force (magnitude and...Ch. 20 - 16. * A 500-turn square coil of wire is hinged to...Ch. 20 - * Electric motor 1 An electric motor has a square...Ch. 20 - 18. ** You make a seesaw by placing a 50-g magnet...Ch. 20 - * Electric motor 2 An electric motor has a...Ch. 20 - 20. Each of the lettered dots a-d shown In Figure...Ch. 20 - Duck gets a lift A duck accumulates a positive...Ch. 20 - 22. An electron of mass kg moves horizontally...Ch. 20 - A 1000-kg car moves west along the equator. At...Ch. 20 - * BIO Magnetic force exerted by Earth on ions in...Ch. 20 - 105m/s. Design a magnetic shield that will deflect...Ch. 20 - s magnetic field.Ch. 20 - 27. * An electron and a proton, moving side by...Ch. 20 - An east-west electric power line carries a 500-A...Ch. 20 - * Pigeons A solenoid of radius 1.0 m with 750...Ch. 20 - * A horizontal current-carrying wire that is...Ch. 20 - Prob. 31P Ch. 20 - field inside a long solenoid is given by the...Ch. 20 - * Electron current and magnetic field in H atom In...Ch. 20 - * Two long, parallel wires are separated by 2.0 m....Ch. 20 - * Minesweepers During World War II, explosive...Ch. 20 - 40. An electron moves at the speed of toward the...Ch. 20 - * Mass spectrometer A mass spectrometer has a...Ch. 20 - 42. * Mass spectrometer 2 One type of mass...Ch. 20 - 43. * An ion with charge C moves at speed m/s...Ch. 20 - * A box has either an electric field or a magnetic...Ch. 20 - 45. ** A piece of wire, shown in Figure P20.45 ,...Ch. 20 - 46. ** EST Particles in cosmic rays are mostly...Ch. 20 - BIO Magnetic resonance imaging In magnetic...Ch. 20 - BIO Magnetic resonance imaging In magnetic...Ch. 20 - BIO Power lines—do their magnetic fields pose a...Ch. 20 - BIO Magnetic resonance imaging In magnetic...Ch. 20 - BIO Magnetic resonance imaging In magnetic...Ch. 20 - BIO Magnetic resonance imaging In magnetic...Ch. 20 - BIO Power linesdo their magnetic fields pose a...Ch. 20 - BIO Power linesdo their magnetic fields pose a...Ch. 20 - BIO Power linesdo their magnetic fields pose a...Ch. 20 - BIO Power linesdo their magnetic fields pose a...Ch. 20 - BIO Power linesdo their magnetic fields pose a...

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