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Use the Biot-Savart law to fi nd the magnetic fi eld inthe frame of an electron circling

Modern Physics for Scientists and Engineers | 4th Edition | ISBN: 9781133103721 | Authors: Stephen T. Thornton, Andrew Rex ISBN: 9781133103721 454

Solution for problem 27 Chapter 8

Modern Physics for Scientists and Engineers | 4th Edition

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Modern Physics for Scientists and Engineers | 4th Edition | ISBN: 9781133103721 | Authors: Stephen T. Thornton, Andrew Rex

Modern Physics for Scientists and Engineers | 4th Edition

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Problem 27

Use the Biot-Savart law to fi nd the magnetic fi eld inthe frame of an electron circling a nucleus of chargeZe. If the velocity of the electron around the nucleusis v and the position vector of the proton with respectto the electron is r, show that the magnetic fi eld at theelectron isB Ze4pP0Lmc 2r 3 where m is the electron mass and L is the angularmomentum, L mr v.

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CHAPTER 88 Rotation Circular Motion ● Circular Motion is characterized by two kinds of speeds: ○ Tangential (or linear) speed ○ Rotational (or circular) speed ● Tangential Speed ○ The distance traveled by a point on the rotating object divided by the time taken to travel that distance is called its tangential speed (symbol v) ○ Points closer to the circumference have a higher tangential speed than points closer to the center ○ m/s ● Rotational Speed ○ Rotational (angular) speed is the number of rotations or revolutions per unit of time (symbol omega) ○ All parts of a rigid merry go round or turntable turn about the axis of rotation in the same amount of time ○ SO all parts have the same rotational speed ○ RPM ● Rotational Inertia ○ Depends upon ■ Mass of object ■ Distribution of mass around axis of rotation ○ The greater the rotational inertia, the harder it is to change its rotational state ● Torque ○ The tendency of a force to cause rotation is called torque ○ Torque depends upon three factors ■ Magnitude of the force ■ The direction in which it acts ■ The point at which it is applied on the object ○ T = rf ■ R is the lever arm, depends on where the force is applied and what direction it acts

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Chapter 8, Problem 27 is Solved
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Textbook: Modern Physics for Scientists and Engineers
Edition: 4
Author: Stephen T. Thornton, Andrew Rex
ISBN: 9781133103721

This full solution covers the following key subjects: . This expansive textbook survival guide covers 15 chapters, and 898 solutions. Since the solution to 27 from 8 chapter was answered, more than 254 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Modern Physics for Scientists and Engineers, edition: 4. Modern Physics for Scientists and Engineers was written by and is associated to the ISBN: 9781133103721. The full step-by-step solution to problem: 27 from chapter: 8 was answered by , our top Physics solution expert on 03/16/18, 03:15PM. The answer to “Use the Biot-Savart law to fi nd the magnetic fi eld inthe frame of an electron circling a nucleus of chargeZe. If the velocity of the electron around the nucleusis v and the position vector of the proton with respectto the electron is r, show that the magnetic fi eld at theelectron isB Ze4pP0Lmc 2r 3 where m is the electron mass and L is the angularmomentum, L mr v.” is broken down into a number of easy to follow steps, and 70 words.

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Use the Biot-Savart law to fi nd the magnetic fi eld inthe frame of an electron circling