http://www.physics.oregonstate.edu/ph421
Last update: 4 November 2012
General Information | External Links | Mathematica | Writing Guide | BlackBoard (grades, email, submit lab assignments) |
Paradigms home |
Instructor: Prof. Janet Tate WGR 485, 737-1700; tate at physics.oregonstate.edu OH M 2-3; W 2-3; F3-4 in Wgr 304F or 485; or by appt |
Teaching Assistant:Teal Pershing pershint at onid.orst.edu OH: Tu 2-3; Th 2-3; or by appt |
Day Room |
Topic | Reading (required, recommended) |
Homework Assignments | Lab Assignments |
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M 11/5 Wngr 212 |
Energy diagrams and the period of motion o Calculate period from dt/v o Potential energy diagrams - harmonic oscillator |
T 4.6 (TM 2.6) Knight 10.7 |
HW1 assigned Harmonic fns drill Drill solution |
Pendulum lab assigned Pendulum Lab Instructions ; Pendulum Lab write-up instructions & rubric |
T 11/6 Wngr 212 |
Energy diagrams and the period of motion o Pendulum vs. harmonic oscillator Pendulum Lab o Pendulum lab data acquisition o Pendulum lab data analysis & discussion |
Pendulum Lab Instructions Pendulum Lab write-up instructions & rubric |
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W 11/7 Wngr 212 |
Pendulum Lab - cont'd o Class assessment: Data analysis o Anharmonic oscillator Worksheet: Period of Pendulum ; period calculation o Small and large angle period, motion |
M 7.1 T 4.6 (TM 4.4, K 14.3, 14.6) |
HW1-W problem 1,2 due 4pm | Pendulum lab preliminary data due - upload to BB before class; bring hardcopy to class |
Th 11/8 Wngr 212 |
Representations of simple harmonic motion o Sines and cosines o Complex numbers o Euler's formula |
M 1.1, 2.1, 2.5 T 5.1 (TM 3.1, 3.2) (K 14.1-14.2) |
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F 11/9 Wngr 212 |
Free motion of an oscillator o Newton's law for an oscillator o SHO: solutions, period, initial conditions |
M 1.2; T 2.6, 5.2 (RHB 3.2, 3.3) (K 14.1-14.2) (S 2.1) |
HW1-F due, 4pm REVISED HW1 solution Error in #3 (C-form) corrected |
Pendulum lab report due - upload to BB before midnight |
M 11/12 Wngr 212 |
Free damped oscillations o Free damped oscillations |
M 3.1, 3.2, 3.3, 4.1 T 5.4 (TM 3.5) (K 14.7) |
HW2 assigned | Harmonic LRC Lab assigned Harmonic LRC Lab Instructions ; Harmonic LRC Lab Rubric |
Tu 11/13 Wngr 212 |
Forced motion of a damped oscillator o Forced oscillations & resonance (theory) o Harmonic response of LRC series circuit (lab and analysis) |
M 5.1, 6.1 T 5.5 (K 14.8) (TM 3.6, 3.7) (S 2.11) LRC Lab Instructions |
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W 11/14 Wngr 212 |
Forced motion of a damped oscillator -cont'd o Class discussion of results o Impedance, admittance, phase shifts |
  | HW2-W problems 1,2 due 4pm |
Harmonic LRC lab preliminary data due - upload to BB before class; bring hardcopy to class |
Th 11/15 Wngr 212 |
Forced motion of a damped oscillator -cont'd o The LRC circuit o Resonance, high and low frequency behavior |
T 5.5, 5.6 (TM 3.5, 3.7-8) (K 14.8) |
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F 11/16 Wngr 212 |
Oscillator response to multiple driving frquencies o General force function & LRC response o Group activity: Response to 3 sine drivers |
M 5.1, 11.1 T 5.7 (TM 3.8) RHB 12 |
HW 2 due 4pm HW2 solution |
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M 11/19 Wngr 212 |
Fourier series o Fourier series concept; Fourier guess worksheet o Integrals of harmonic functions; harmonic integrals worksheet |
M 11.1 T 5.7, 5.8 RHB 12 |
HW3 assigned Kronecker delta drill Drill solution |
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Tu 11/20 Wngr 212 |
Fourier series -cont'd o Projections, harmonic functions as an orthonormal basis Fourier coefficients o Sawtooth example |
M 11.1 T 5.7, 5.8 RHB 12 |
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W 11/21 Wngr 212 |
Fourier coefficients - cont'd o Further examples |
  | HW3_W due 4pm HW 3 Soln 1&2 |
Harmonic LRC lab report due - upload to BB by 7pm - submission remains open to midnight |
Th 11/22 Wngr 212 |
Thanksgiving - no class |
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F 11/23 Wngr 212 |
Thanksgiving - no class |
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M 11/26 Wngr 212 |
The Fourier Transform o Fourier transform as limit of a Fourier series |
M 11.2-3 RHB 13.1 (TM 3.9) |
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T 11/27 Wngr 212 |
The Fourier Transform o Fourier transform as limit of a Fourier series o The square sine pulse o The bandwidth theorem/uncertainty principle Response of the LRC series circuit to an impulse o Demo lab: impulse data |
M 11.2-3 RHB 13.1 (TM 3.9) |
HW3-F due 4pm HW 3 Soln 3 |
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W 11/28 Wngr 212 |
Loose ends & Review |
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Th 11/29 Wngr 212 |
Research in the PH department - and where to next? Professional development session required for PH majors |
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F 11/29 Wngr 212 |
Optional Review/work session for PH421 |   |   |   |
T 12/4 Wngr 304 and 304F |
Final exam 9:30-11:30am |
  | Practice exam Summary slides Conceptual Questions Final exam Solution |
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