## Physics 3: Introduction to Physics II

### Professor Jessica Kintner

This is the course web page for Physics 3, Spring 2019

### Jessica Kintner's Information:

• Office: Gal 106-B
• Office hours: TF 1-2pm, and by appointment
• email: jkintner@stmarys-ca.edu

### Exam Information

• Exam 1, Friday, Mar 1
• Exam 2 will be Friday, Mar 29
• Exam 2 cover sheets--UPDATED 3/28. Updated to add flux and Gauss's Law, then again a second time (3pm) to add Cons of Energy and Energy definition.
• Covers Chapter.sections: Ch 24.1-5, 25.1-2,4-7, 26.1-2,4-6, 27.1-2,5, 28.1-9
• Extra office hours, Weds 3/27, 10-1, 2:30-3:15
• a blank copy of exam 2
• Exam 2 curved score = 100-10/15*(100-raw score)
• Exam 3 will be Friday, May 3
• Exam 3 will cover sections 29.1-4, 6-9, and 30.1-7
• Exam 3 cover sheets--UPDATED 5/2 to add current density.
• Extra office hours Th 1-3pm.
• a blank copy of exam 3
• Exam 3 curved score = 100-10/13*(100-raw score)
• The Final Exam will be Tuesday, May 21, 10:30am-12:30pm
• The final will cover all the sections (listed above) for Exams 1-3 plus sections 34.1-6 and 33.1-4
• Final Exam Cover Sheets
• Extra office hours Mon, May 20, 12-2:30pm.

### Recent announcements:

• I have added the final exam scores (both raw and curved) to Moodle. I have also added your scores from In Class work (dropped lowest 2) and HW from MP (dropped lowest 6 problems = 30 points). Moodle is not calculating the course totals correctly. I can't make it replace a low exam score with the final, for example. So moodle isn't showing the correct course totals, but each individual item (like each exam score) is correct. You can calculate your final course grade (after you replace low exam score, if curved final is higher): course grade = .15*exam1 + .15*exam2 + .15*exam3 + .15*HW + .15*inClass + .25*finalCurved I did curve a little after that. So your calculated number should be at or slightly below the letter grade you received on gaelxpress.
• Exam grades are on moodle. Please double check that your exam grade matches what is on moodle. Please ignore the overall course grade on moodle. I'm just not sure what algorithm it uses when some grades (like the Final exam and HW) are missing.
• We will continue to use Vol II of the same textbook from last semester. Physics for Scientists and Engineers by Randall Knight. 4th ed. Vol 2.

### STEM Center Physics Tutor Hours:

• Mondays 2-­5 and 6­-9 PM
• Tuesdays 5­-9 PM
• Wednesdays 4­-6 and 7-­9 PM
• Thursdays 5­-9 PM
• Sundays 6-­9 PM

### Calendar

All problems are from Knight unless stated otherwise. Problems in regular type are the same ones that will appear in MP. Problems in bold type are ones that will NOT appear in MP, and you will turn them in to me.

Date
Topic
Assignment
2/11
Introduction to course
Do the "Introduction to MasteringPhysics" assignment in MP
email me and tell me if you have a smart phone or tablet or laptop you can bring to class every day. If enough people have them, I can use them instead of clickers.
2/12
Electric charge
Coulomb's Law
Do (in MP) problems 22.13, 15, 17, 18, 22.
2/14
Vector review
Intro to E field
More Coulomb's Law
Tutorial worksheet, be sure you can do problems 1-5.
Section 22.5

2/15
Intro to E field
More Coulomb's Law
2/18
Summary so far, Coulomb and $\vec E$
$\hat r$ notation
Do (in MP) 22.19, 41, 62, 63, 67
2/19
Electric field lines
$\vec E$ for continuous charge dist.s
Do (in MP) 23.
2/21
I did HW probs 22.41, 62
$\vec E$ for continuous charge dist.s
2/22
Practice on integration for $d\ell$, $da$ and $dV$
Finish any problems from today's handout
2/25
$\vec E$ for ring, disk, line
I put some practice problems on MP: 22.36, 42, 44, 51, 64, 66, 23.9, 15, 38, 47
2/25
Worked problems for practice, 22.36, 42, 44, 51, 64, 66, 23.9, 15, 38, 47 (same set in MP)
2/28
Gauss's Law
3/1
Exam 1
3/4
Exam 1 solutions on board
Quick Gauss's Law intro
pics will be in google drive
3/5
Gauss's Law for infinite line of charge
handout from Knight workbook
Finish the handout from class
Do (in MP) 24.34, 39, 42, 43, 45, 46, 49, and even more for practice (no points).
3/7
Chris Ray lectured
Reviewed handout from last time
Intro to electric potential energy and potential
review 24 as needed
Finish the handout from class
3/8
U and V for uniform $\vec E$
lots of review
Do (in MP) 25.13, 15, 20, 43, and even more for practice (no points).
3/11
Several HW problems 24:42, 45, 46, and 49
V for point charges
3/12
review 23-24 as needed
Finish 1-7 from today's handout
3/14
More on capacitance
Intro to circuits
read 27.1, 4, 28.1 as needed
3/15
3/18
Current and intro to circuits
read 27.1, 4, 28.1 as needed
Do (in MP) probs: 26.21, 22, 31, 33, 45, 66, 28.22, 23
3/19
Resistors in Series
emf and internal r
charging a capacitor
3/19
Resistors in Series
emf and internal r
charging a capacitor
3/22
Do (in MP) probs 28.16, 18, 19, 25, 26, 27, 30, 35, 62, and 63
3/25
Suggested courses for Physics and 3+2 majors
$P=IV$ in circuits
Capacitors in series and parallel

Do these new problems in MP: 28.8, 12, 33, 37
3/26
No class today
Exam 2 practice
Covers Chapter.sections: Ch 24.1-5, 25.1-2,4-7, 26.1-2,4-6, 27.1-2,5, 28.1-9
Practice problems (not for credit) in MP: 24.31, 33, 37, 42, 44, 25.30, 40, 47, 26.18, 21, 31, 66, 28.46, 49, 52, 59, 70
3/28
Intro to magnetism--demo
Review vector cross product
Ch 29.1-4
3/29
Exam 2
Exam 2
4/1
We redid exam 2 in groups
Review Ch 24-28 as needed
4/2
Magnetism, $\vec B$ fields
Do (in MP) 29.9, 12, 14, 43, 45, 46
4/4
$\vec F = \int I d\vec\ell \times \vec B$
4/5
Do (in MP) 29.26, 33-36
4/8
Ampere's Law
4/9
Finish Ampere's Law
torque on current loop in $\vec B$
Do (in MP) 29.20, 21, 24, 22, 23, 55, 56
4/11
Charged particles moving in uniform $\vec B$
Do (in MP) 29.59, 61
4/12
Finish the practice problems.
4/23
magnetic flux
4/25
4/26
Do (in MP) 30.4, 7, 8, 9, 11, 14, 16, 17
4/29
Maxwell's Eq.s and Electromagnetic waves
Practice problems (in MP) 29.13, 54, 22, 55, 26, 30.5, 38, 46, 57, 49
4/30
Review and practice problems The same is in MP plus one of mine.
Review Ch 29.1-4,6-9, Ch 30.1-7 as needed
5/2
Ray Optics
Review Ch 34.1-2
5/3
Exam 3
Exam 3
5/6
Go over exam 3 in class
Review Ch 29-30 as needed
5/7
Law of refraction
Critical angle
Do (in MP) Ch 34: 5, 9, 10, 11, 14
5/9
Ray Diagrams
The Thin Lens Equation
5/13
Wave optics
The Double and Single Slit Experiments
Do (in MP) 33.2, 3, 4, 5, 16, 17
5/14