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Author Topic: grid on Superposition of Two Waves  (Read 16656 times)
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erwarzeski
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on: August 07, 2010, 12:17:05 am » posted from:Houma,Louisiana,United States

Would it be possible to place a background grid in the Superposition of Two Waves applet?  The center-line, or rest position of each wave would have to lie on one of the grid lines.  I want students to compare the amplitudes of the two original waves vs. the sum of the two waves quantitatively as they change the phase difference between them.  I have been using your simulations in class for close to 10 years, and I greatly appreciate all the work you have put into them.
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Fu-Kwun Hwang
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Reply #1 on: August 07, 2010, 10:57:50 am » posted from:Taipei,T\'ai-pei,Taiwan

There are more than one applet which is related to Suposition of Two Waves.
e.g. Suposition of Two Waves (with different phases), Superposition of two waves or Superposition Principle of Wave
Please give me the URL of the applet you are interested in.

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ahmedelshfie
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Reply #2 on: August 07, 2010, 10:09:49 pm » posted from:Uberaba,Minas Gerais,Brazil

From erwarzeski:

I finally figured out how to get to this simulation through the NTNU physics simulations website, Through the "Ahmed's Additions" link.  Your additions to the original NTNU simulations are very useful and welcome.  I had posted a message on a different window on the site, but I'm not sure that would get to you.

The Superposition of Two Waves simulation is the only one I have found online that will allow me to change the phase angle between two waves traveling in the same direction.  Is it possible to put a background grid on the display?  The center-line/rest position of each of the waves would need to fall on one of the lines.  I would like my students to measure the amplitudes of the original waves, and to compare those quantitatively with the amplitude of the combined wave as they change the phase angle.

Bob Warzeski

E. Robert Warzeski, PhD
Thomas Jefferson High School for Advanced Studies
17 Gretna Boulevard
Gretna, Louisiana, USA  70118

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Is it possible to put a background grid on the display?
I think this what he ask.

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Fu-Kwun Hwang
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Reply #3 on: August 08, 2010, 08:41:03 am » posted from:Taipei,T\'ai-pei,Taiwan

The grid is there for the Suposition of Two Waves (with different phases).

For Superposition of two waves,
I just added horizontal lines for user to adjust height. It will display value for the amplitude.

Please let me know is it what you need!

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Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
  • Please feel free to post your ideas about how to use the simulation for better teaching and learning.
  • Post questions to be asked to help students to think, to explore.
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Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!
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lookang
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Reply #4 on: August 09, 2010, 04:53:27 pm »

this applet is fantastic!!
i will explore it when time permits.
it is very well designed and it shows the thoughts of a educator Smiley

Thanks Fu-Kwun Hwang & ahmedelshfie & erwarzeski.

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Discovery consists of seeing what everybody has seen and thinking what nobody has thought. ..."Albert von Szent-Gyorgyi(1893-1986, 1937 Nobel Prize for Medicine, Lived to 93)"
 
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