NTNUJAVA Virtual Physics Laboratory
Enjoy the fun of physics with simulations!
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"That their main business was not put into the mind knowledge which was not there before, but to turn the mind's eye towards light so that it might see for itself." ...Plato's advice to educators(429-347BC)
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NTNUJAVA Virtual Physics Laboratory
Enjoy the fun of physics with simulations!
Backup site http://enjoy.phy.ntnu.edu.tw/ntnujava/ > Easy Java Simulations (2001- ) > Ahmed's contribution (EJS simulations) > dynamics (Moderator: ahmedelshfie) > Satellite motion
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Author Topic: Satellite motion  (Read 6870 times)
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ahmedelshfie
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on: May 26, 2010, 02:30:46 am » posted from:SAO PAULO,SAO PAULO,BRAZIL
This following applet is Satellite motion
Created by prof Hwang Modified by Ahmed
Original project Satellite motion

You will find two simulations for satellite motion due to the gravitation force between satellite and massive object(center one with cyan color).
Which one is the correct simulation? The one will rotate or another one which does not rotate?

You can pause the simulation. Change the location or velocity of the satellite when velocity vector is visiable, then press 'play' button again. Enjoy it!

Embed a running copy of this simulation

Embed a running copy link(show simulation in a popuped window)
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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.
  • 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!

* satellite.gif (11.96 KB, 578x369 - viewed 466 times.)
« Last Edit: May 26, 2010, 09:38:22 pm by ahmedelshfie » Logged
lookang
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Reply #1 on: May 26, 2010, 07:17:02 pm »
the show force seems to be not pointing towards the centre of the motion, please check your equation to see if the physics is correct  Grin
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ahmedelshfie
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Reply #2 on: May 26, 2010, 07:25:11 pm » posted from:SAO PAULO,SAO PAULO,BRAZIL
I don't know prof because I'm no change any thing in equations that prof Hwang post in XML source code  Huh
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Fu-Kwun Hwang
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Reply #3 on: May 26, 2010, 09:29:40 pm » posted from:Taipei,T\'ai-pei,Taiwan
It should be fine if you change the numerical method to Ringe-Kutta 4th order method.
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ahmedelshfie
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Reply #4 on: May 26, 2010, 11:25:27 pm » posted from:SAO PAULO,SAO PAULO,BRAZIL
Is fixed now prof
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"That their main business was not put into the mind knowledge which was not there before, but to turn the mind's eye towards light so that it might see for itself." ...Plato's advice to educators(429-347BC)
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