Wright State University Lake Campus/2018-1/Phy2400/Log
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Test 2 Prep
editT 2/6/18
editPing pong/air drag?
W 2/7/18
editOn Tuesday, both groups traded places and wrote group reports on the rolling ping pong ball and on the motion detector. That class chose not to have each group repeat the other's experiments because they felt the inter-group reports were sufficient. Does this lab want to do the same?
Watched Newton's Dark secrets?
R 2/8/18
editPing Pong/Air drag?
F 2/9/18
editSee Wright_State_University_Lake_Campus/2018-1/Ping_pong_air_drag. Went through calculation.
M 2/12/18
editWorked on Test 2: friction and uniform circular motion.
T-R 2/13-15/18
edit- Advertisement for my open source wikibank of exam questions: This is an excellent page but it is not properly licensed for general use. And, contributions to extend the size of this bank are not possible.
- Exercises in drawing and utilizing free-body diagrams The Physics Teacher 37, 434 (1999); Skip 1 and 2. Write and solve numerical problems for 3-6. Make it a test question, that does not require a drawing (tough writing assignment). Submit the questions electronically to Pilot as individual reports. Submit the solutions (groups OK) on blanck typing paper, with your name(s) along the top inch margin, and "Public Domain" somewhere on the page.
W 2/14/18
edit
where the tilde refers to g, ρ and R is weird units: Each is unity for the Earth.
The dancer's floating illusion:What part of the dancer's body moves in a parabolic orbit?
M 2/19/18 (Test 3 material)
editW 2/21/18 (Test 3 material)
edit- OpenStax Ch8 Potential Energy and Conservation of Energy
- OpenStax Ch9 Linear Momentum and Collisions
- 1418173 to a08linearMomentumCollisions
CPR
editCalibrated_Peer_Review and cpr.molsci.ucla.edu
Ping Pong
edit- Wright State University Lake Campus/2018-1/Ping pong air drag see also http://www.wright.edu/~guy.vandegrift/wikifiles/Drag%20on%20sphere%20cylinder%20brennon%20caltech.pdf
M 3/5/18
editTest 3: OpenStax Ch10 Fixed Axis Rotation
T
edit- Draft:A card game for Bell's theorem and its loopholes#Magic phones: Communications loophole
- Just carefully read Magic Phones part
W 3/7/18 Test 2:
editFile:Wright State Lake Campus phy2400 T2 equation sheet.pdf Equation sheet will be given to you at the time of the test.
Test 3 Prep
editM 3/12/18
edit- 2/4 from 1412312 to a10rotationalMotionAngMom_dynamics (solutions)
T 3/13/18
edit-
Source Moving->λ and f both change
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Stationary source->same λ different f
[
dates
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2===M 3/5/18=== 2===T 3/6/18=== 2test===W 3/7/18=== |
M 3/19
editLine integrals.
T 3/20
editFormula sheet: OpenStax equations/University physics/Mechanics
after test 2
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Before Test 3edit3===R 3/8/18=== 3===F 3/9/18=== 3===M 3/12/18=== 3===T 3/13/18=== 3===W 3/14/18=== 3===R 3/15/18=== 3===F 3/16/18=== 3===M 3/19/18=== 3===T 3/20/18=== 3===W 3/21/18=== 3===R 3/22/18=== 3===F 3/23/18=== 2===M 3/26/18=== 2===T 3/27/18=== 3test=== Before Test4editR 4/12/18editError propagation formula for simple power with one variable. The error (uncertainty) in x has a porportionality with the error in f(x) if f=Ax^n. The error can be calculated by comparing f(x) with f(x+dx). Faster? way: df/f=ndx/x (obtained after algebra)
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after test 4
Subpages and footnotes
edit- Later we will do torque problems like this: http://dev.physicslab.org/DocumentPrint.aspx?doctype=5&filename=RotaryMotion_RotationalEquilibrium.xml