![Page 1: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/1.jpg)
Announcements 8/29/11 Prayer Introductions This section: Physics majors
and minors only!a. For others, section 1 is in
445 MARB, right now Signup sheet to be passed
arounda. Willing to offer prayers in
class b. Willing to have phone
number and/or email on a class directory
Close to Home:
![Page 2: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/2.jpg)
Syllabus
Objectives. Five units:a. Fluidsb. Thermodynamicsc. Waves/soundd. Opticse. Relativity
![Page 3: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/3.jpg)
Syllabus, cont. Schedule
a. Reading assignments, lecture topics b. HW/Lab/Term project due datesc. Exams
![Page 4: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/4.jpg)
Syllabus, cont. Grading
a. Guaranteed levels:
b. Categories
![Page 5: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/5.jpg)
Syllabus, cont. Clicker quizzes
a. Two types of questions– Reading quizzes, 2 points if right, 1
point if attempted– Thought questions, 1 point if attempted
b. All questions from a day = 1 quizc. 4 free quizzes, no make-up quizzesd. Register your clicker via class website
ASAP!– Quizzes start next class period
![Page 6: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/6.jpg)
Syllabus, cont. Exams, final, term project
a. More details later Labs
a. Assignments at back of packetb. First lab begins this Saturdayc. Typically 1 week to complete labsd. Don’t count on being able to do it the
last Saturday! Extra credit
a. In syllabus, read about on your own
![Page 7: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/7.jpg)
Syllabus, cont. Class website
a. www.physics.byu.edu → Courses → Class Web Pages → Physics 123 (Colton J)
b. http://www.physics.byu.edu/faculty/colton/courses/phy123-fall11/
On website:a. Study aids
– Lecture notes– Demo videos– Old exams– Exam solutions
b. Obtain class ID number (“CID”)c. Register clickerd. HW submissione. Check grade
f. Labs 3, 6 detailsg. Term project detailsh. Math review handouti. Mathematica handoutj. Etc.
![Page 8: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/8.jpg)
Syllabus, cont. Where to get help on homework
a. Other studentsb. Dr. Colton’s office hours
– MWF 2-3 pm (for now), Underground Lab study area under the skylight
– If you don’t know where that is, there are directions in the syllabus
c. Chris Mackprang’s office hours– MW 5:30-7 pm, F 3:30-5 pm; same
location as mined. The Tutorial Lab, 3rd floor of ESC (info
on class webpage)
![Page 9: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/9.jpg)
Syllabus, cont. Homework: paper-only vs computer-
graded The computer-graded HW systemSyllabus packet contains problems:
Get your missing numbers (“data”) from class website → Put in the [xx]______ spaces before you work the problem
set 1. [01] 3.43 [02] 8.20 [03] 22.2 [04] 30.2 [05] 39.8 [06] 4.0 etc.
![Page 10: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/10.jpg)
Syllabus, cont. Computer-graded HW system, cont.
Answer range in packet, at end of list of problems:
Indicates units, range and decimal places of answer
Type into website form: 63.8
Submit all answers at once
Partial credit, aka “retries”
Points for each successive try: 5, 5, 3, 0 If you miss, correct answer is given to you Use new data each time No retries on multiple choice problems
![Page 11: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/11.jpg)
Syllabus, cont. Final general HW comments:
a. Late HW– 4 free late ones, chosen to give you most pts– All other late HW is 50%
b. All work must be turned in, even for computer-graded problems
– TA has 5 pts for each assignment at his discretion, for legibility/completeness/etc
c. Where to turn in work– Slot labeled “Phys 123, section 2” in boxes near
room N375 ESC– Don’t put name on work, just your CID
d. First HW due Wednesday night!e. My HW solutions – posted in hallway by CSR
office
![Page 12: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/12.jpg)
And now, for the Physics… Serway chapters 1-13, 15: Newtonian
Mechanicsa. Covered in Physics 121
Serway chapter 14: Fluids (static & moving)
a. Starting right now! Then Thermodynamics (chapters 19-22) Then other stuff
![Page 13: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/13.jpg)
Pressure
1 Pascal = ??
1 atm = ??a. 1.013105 Pab. 14.70 psi
ForceP
Area
![Page 14: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/14.jpg)
Demos
Pressure vs. force Collapsing can Magdeburg hemispheres
a. von Guericke and the first vacuum pump, 1654 demo for Ferdinand III
![Page 15: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/15.jpg)
Density
Units?
Density of water: a. 1000 kg/m3
= 1 g/cm3
“Specific gravity”
massdensity
volume
Air, standard conds 0.0013
Wood (oak) 0.6 – 0.9
Liquid nitrogen 0.81
Ice 0.92
Water 1.00
Bricks 1.84
Aluminum 2.70
Steel 7.80
Silver 10.50
Lead 11.30
Gold 19.30
Platinum 21.40
![Page 16: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/16.jpg)
Pressure vs. Depth
Weight of water above area A? (depth h)
Pressure at h: (include weight of air)
Fluid pushes in all directions
![Page 17: Announcements 8/29/11 Prayer Introductions This section: Physics majors and minors only! a. a.For others, section 1 is in 445 MARB, right now Signup sheet](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d375503460f94a0f327/html5/thumbnails/17.jpg)
Summary
“How to get started”
http://www.physics.byu.edu/faculty/colton/courses/phy123-fall11/
Work hard!!
(More Strange Quark comics at Dr. Durfee’s website, http://sqcomic.com )