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Author Topic: EJS physics example/board:23-100-  (Read 6897 times)
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andresgo
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on: June 03, 2011, 09:47:39 am » posted from:Nogales,Sonora,Mexico

Ive been trying to do a physics simulator that calculates the Work and the Force and that shows acceleration, displacement and time and you put the mass, the initial velocity, initial height and gravity. I'm having problems doing it, what i have is the image attached above and i want to know if you can  tell me what to do, because I'm lost and i don't know much calculus. if you could do like a fast example you would save my life and my grades Cheesy. Please please help me
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Fu-Kwun Hwang
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Reply #1 on: June 03, 2011, 04:35:00 pm » posted from:Taipei,T'ai-pei,Taiwan

I can not find the image (there is no attachment).
Are you using EJS to create simulation?

You need to describe your physics model and how you are going to do.
Otherwise, I do not know how to help!
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lookang
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Reply #2 on: June 03, 2011, 08:29:26 pm » posted from:Singapore,,Singapore

please attach your source file so that we can help u.

u have already made something from an email MSN Windos live messenger 2009 te extranio   


* Untitled.png (38.59 KB, 744x817 - viewed 87 times.)
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andresgo
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Reply #3 on: June 04, 2011, 01:10:14 am » posted from:Nogales,Sonora,Mexico

how do i attach something?
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lookang
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Reply #4 on: June 04, 2011, 10:25:41 am » posted from:Singapore,,Singapore

how do i attach something?
at the bottom left of the posting frame
under  Additional Options...
Attach:    (more attachments)
select Choose file and attach your XML
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andresgo
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Reply #5 on: June 06, 2011, 08:02:07 am » posted from:Agua Prieta,Sonora,Mexico

OK thats my simulator, i need help with the calculus part and the formulas


*** There are 1 more attached files. You need to login to acces it!
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lookang
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Reply #6 on: June 06, 2011, 08:37:24 am » posted from:Singapore,,Singapore

is this what you want?
there no need for calculus if when calculating the work done and force since the only force i see in your simulation is gravity force.

workdone by gravity force= m*g*(yi-y);
force = m*g;

Embed a running copy of this simulation

Embed a running copy link(show simulation in a popuped window)
Full screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
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!
« Last Edit: June 06, 2011, 08:40:47 am by lookang » Logged
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