NTNUJAVA Virtual Physics LaboratoryEnjoy the fun of physics with simulations!
May 22, 2013, 11:38:01 am

"In theory, theory and practice are the same. In practice, they are not." ..."Albert Einstein (1879~1955, Mathematical physicist, Nobel Prize 1921-Physics)"

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 Author Topic: Pendulum wave  (Read 13626 times) 0 Members and 1 Guest are viewing this topic. Click to toggle author information(expand message area).
Fu-Kwun Hwang
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 « Embed this message on: March 14, 2009, 06:06:48 pm » posted from:Taipei,T'ai-pei,Taiwan

The following applet simulated a famous pendulum wave.
The length of each pendulum is different so that the frequency of each pendulum is different by a fixed amount.
The frequency of the first one f1 and the difference between near by pendulum can be adjusted by slider.
Because the frequency is too faster to be observed by our eye, so the simulation show slow motion of the real wave by a factor of 100. (You can change time scale,too. Drag the slider to the right to make it faster.)

Embed a running copy of this simulation

Embed a running copy link(show simulation in a popuped window)
Full screen applet or 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.
• Upload worksheets as attached files to share with more users.
Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!

Check out youtube movie for pendulum wave

and

 pendulumwave.jpg (23.22 KB, 572x451 - viewed 53 times.)  pendulumwave.png (264.53 KB, 362x420 - viewed 68 times.) Logged
khalifah5
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 « Embed this message Reply #1 on: March 29, 2009, 11:59:48 am » posted from:Petaling Jaya,Kuala Lumpur,Malaysia

i want to ask you about the pendulum. How would the period of a simple pendulum be affected if it was located on the moon instead of the earth?
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Fu-Kwun Hwang
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 « Embed this message Reply #2 on: March 29, 2009, 01:56:34 pm » posted from:Taipei,T\'ai-pei,Taiwan

The period of the pendulum $T=2\pi \sqrt{L/g}$ where L is the length of the pendulum and g is the gravity.　(inversely proportional to square root of gravity)

You should be able to answer your question from the above information if you know how the gravity on the moon compared to gravity on the earth.
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"In theory, theory and practice are the same. In practice, they are not." ..."Albert Einstein (1879~1955, Mathematical physicist, Nobel Prize 1921-Physics)"