Friday, May 17, 2013

Assignments for Friday, 5/17/2013

Algebra II:

Chapter 13 – Periodic Functions
You will write and graph functions that describe periodic data

Metronome

Video: discordant-metronomes-achieve-synchrony-in-a-matter-of-minutes


Notes 13-1: identifying cycles, periods, amplitudes
Oscilloscope Simulator
Assignment
Do 13-1: 1-16, 20-21, 23-25
Return C11 Tests (21 points)

About the video:
If you place 32 metronomes on a static object and set them rocking out of phase with one another, they will remain that way indefinitely. Place them on a moveable surface, however, and something very interesting (and very mesmerizing) happens.

The metronomes in this video fall into the latter camp. Energy from the motion of one ticking metronome can affect the motion of every metronome around it, while the motion of every other metronome affects the motion of our original metronome right back. All this inter-metronome "communication" is facilitated by the board, which serves as an energetic intermediary between all the metronomes that rest upon its surface. The metronomes in this video (which are really just pendulums, or, if you want to get really technical, oscillators) are said to be "coupled."

The math and physics surrounding coupled oscillators are actually relevant to a variety of scientific phenomena, including the transfer of sound and thermal conductivity.


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