NTNUJAVA Virtual Physics Laboratory
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Author Topic: Firework  (Read 14552 times)
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Fu-Kwun Hwang
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on: October 01, 2009, 04:47:35 pm » posted from:Taipei,T'ai-pei,Taiwan

This is a simulation of firework.
Why there is a delay of the sound?

Can you estimate how far you are away from the place if the delay time is 0.8 second?

Enjoy it!

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* firework.gif (5.9 KB, 452x379 - viewed 415 times.)
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aufche
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Reply #1 on: November 05, 2009, 08:34:41 am » posted from:Jakarta,Jakarta Raya,Indonesia

i can running this in my cell phone...? please reply me...

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Fu-Kwun Hwang
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Reply #2 on: November 05, 2009, 01:46:47 pm » posted from:Taipei,T'ai-pei,Taiwan

More information are required to know what might cause the problem.
Can it view other java program? Can you provide error message from java console?
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Reply #3 on: August 10, 2011, 03:23:42 pm » posted from:SINGAPORE,SINGAPORE,SINGAPORE

i suspect your current applet's implementation of the sound
sound1 =flying up
sound2 = explode

does not coincide with real fireworks
for example i check this video
http://youtu.be/xF9I-9bzyhE
<iframe width="425" height="349" src="http://www.youtube.com/embed/xF9I-9bzyhE" frameborder="0" allowfullscreen>
the sound starts from xi after immediate after t2=t-delta

can check? i found a bug i think after i set delta = 0; the flying and the sound1 does not coincident
 Grin
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lookang
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Reply #4 on: August 10, 2011, 04:40:21 pm » posted from:SINGAPORE,SINGAPORE,SINGAPORE

i made a remixed version.

will post on my board as well Smiley

enjoy!

i identified a bug as td = 0; // instead of the older td = 1.0

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!


* fireworks.png (43.65 KB, 608x634 - viewed 347 times.)
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