NTNUJAVA Virtual Physics Laboratory
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Easy Java Simulations (2001- ) => Examples for beginner who want to learn EJS => Topic started by: Fu-Kwun Hwang on February 09, 2009, 01:11:57 pm



Title: Fire work (projectile motion)
Post by: Fu-Kwun Hwang on February 09, 2009, 01:11:57 pm
This is an EJS 4 generated simulation to illustrate projectile motion.

Vi is the initial speed when the firework were shot from the ground.
Vf is the velocity relative to the center of mass when it spread out.

Do you know why the sound is delayed?
Will you be able to find out the distance between you and the place where the firework were fired from the delay of the sound?
Do not forget to TURN your speaker volume UP to hear sound effects.
     
 


Title: Re: Fire work (projectile motion)
Post by: lookang on February 16, 2009, 12:34:45 pm
the download link for source is not working well. nothing happens after clicking it
can check? thanks!
http://www.phy.ntnu.edu.tw/ntnujava/ntnujavazip.php?ejsxml=firework

i am trying the indirect way of getting the xml file from the jar file.
hope you pack the source inside the distribution file :)
found it in the jar, i going to explore how to make _clear () work