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4434Interference Patterns of Two Point Sources
http://www.merlot.org/merlot/viewMaterial.htm?id=91352
These animated gif's show interference patterns between two point-source oscillators. Different separations and different frequencies are both included.Phase and Group Velocities of Wave Packets
http://www.merlot.org/merlot/viewMaterial.htm?id=91350
(From the author) The following movies show wave packets with various combinations of phase and group velocity. Each waveform is the sum of five sinusoids with wave numbers and frequencies chosen to produce the desired result.Sinusoidally driven, series LRC circuits
http://www.merlot.org/merlot/viewMaterial.htm?id=91346
(From the author) The following movies show animated plots of various frequency-dependent electrical features of sinusoidally driven, series LRC circuits. In each one the feature is plotted as a function of frequency normalized with respect to the resonance frequency, (1/LC)^1/2, and running from 0 to 3. Each plot is animated over the value of Q, (L/C)^1/2/R, in 15 equal steps of about 0.2 running from 0.01 to 3.00.Standing Waves
http://www.merlot.org/merlot/viewMaterial.htm?id=91348
(From the author) The following movies show standing waves as the superposition of two sine waves traveling in opposite directions. In each case the fundamental waves are in black and the superposition is shown in blue. Each movie is set up for seamless looping, but you may have to download and play them outside your browser to enable the loop feature.