PHYSIC 1A & HIGHER PHYSICS 1A (PHYS1121, 1131 & 1141)

Resources and information for students in PHYS1121, 1131 & 1141. Lecture notes, recordings, multimedia etc. The course is administered via a Moodle site.
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Announcements:

Contents

  • Feedback
  • Preliminary self test
  • About tests
  • Past papers and solutions
  • Lecture notes and recordings
  • Sketched solutions to homework problems
  • Course links and other useful links.
  • Important links

    Physics news
    • You lose some, you win some. A geophysics study indicates that the Permian catastrophe, in which most species on earth perished (including trilobites) was only initiated by volcanos, rather than produced by it. The volcanic eruptions allowed the catastrophic population explosion of methane producing microbes, and the resulting climate change wiped out most species. But bugs aren't all bad. On the other hand, we have the (earlier) population explosion of algae to thank for an atmosphere with significant oxygen concentration.
    • Density fluctuations and early cosmic inflation. Observations from Antarctica are consistent with (i) gravitational waves and (ii) the hypothesis of rapid inflation in the early universe. (Reference here.)
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    • "The central mystery of quantum mechanics". Young's experiment with single photons is a mind bender. And you'll do it in the second year lab. Here it is on Physclips and on Youtube
    • Spectacular conservation of angular momentum. Two galaxies collide with a small centre-of-mass offset. The collision is sufficently inelastic that they are gravitationally bound. What happens to the (very large) angular momentum? Story here.
    • How universal are physical laws? Recent cosmological studies from John Webb's team at UNSW suggest that α, the fine structure constant (a value that appears in quantum electrodynamics), varies very slightly across the universe. So the answers to a physics exam set in Sydney might be different from those in Perth... no, the difference is very slight. But the results have very important philosophical implications.

    http://www.animations.physics.unsw.edu.au/
    our multimedia site for intro physics

    Learning resources

    Times and places

    Teaching assistants. From week 2, teaching assistants are available for consultation in Room 02, Old Main Building (immediately South of the lab). Times on the First year site. Finding Joe

    Questions

    Syllabi, texts and other important documents

    Feedback

    Information about tests.

    Past papers and solutions

    Lecture notes

      Lecture notes. The notes linked below are provided so that you can make best use of lecture time. They should not be considered as the syllabus, nor are they a substitute for a text book. These will be added as the course progresses. If you print them out and bring them to the lecture, you will be able to follow the lecture without much writing, although you will probably want to add notes of your own.
    • kinematics notes in .pdf (download for week 1-2)
    • dynamics notes in .pdf (download for week 3-4)
    • energy notes in .pdf (download for week 4)
    • gravitation notes in .pdf (download for week 4-5)
    • momentum notes in .pdf (download for week 5-6)
    • rotation notes in .pdf (download week 6)

    turning bike

    Lecture recordings

    Usually, the lectures are recorded automatically, and I'll post the recording details below. You have the lecture notes. You can also try catching up using Physclips.
    Week 1 Podcast Playback
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    Rich Media Playback
    Vodcast Playback
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    Week 2 Rich Media Playback
    Vodcast Playback
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    Podcast
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    Rich Media Playback
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    Rich Media Playback
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    Radio mic not working*

    Week 3

    Rich Media Playback
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    Vodcast
    Radio mic not working*

    Rich Media Playback
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    Week 4

    Rich Media Playback
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    (Mic stopped during**)

    Rich Media Playback
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    Week 5 Rich Media Playback
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    Rich Media Playback
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    Week 6 Rich Media Playback
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    Rich Media Playback
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    Rich Media Playback
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    * Oops. I broke the radio mic cord. So these recordings use the fixed mics that don't follow me around. Sorry.
    ** Might have been the abseiling.

    Sketched solutions to homework problems

    Course links

    Other useful links

    Miscellany
    Joe Wolfe

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