NTNUJAVA Virtual Physics Laboratory
Enjoy the fun of physics with simulations!
Backup site http://enjoy.phy.ntnu.edu.tw/ntnujava/
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The softest thing overcomes the hardest thing in the universe. ...Lao Tzu (570-490 BC)
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Author Topic: Trajectory of projectile motion  (Read 8012 times)
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Fu-Kwun Hwang
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Posts: 3086

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on: September 04, 2009, 10:10:39 pm »

The initial speed of the projectile and the gravity can be changed with sliders.
You can drag the far end of the bar to change the angle (it can be changed with the slider,too).
You can find out at what angle the projectle will reach maximum horizontal distance when falls back to the same height.

You can make your own demonstration:
1. Replace the blue line with a stick.
2. Prepare many strings with appropriate length (check out step 4),
3. Loosely tie those strings at equal distance to the stick. (it will be better if you make a circle at one end of the string and put those strings at equal distance)
4. Cut the strings so that the length L(i)=L*i*i;

The distance between string represents initial speed of the projectile (distance travel at unit time).

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!

* projectiledemo.gif (4.06 KB, 715x555 - viewed 473 times.)
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The softest thing overcomes the hardest thing in the universe. ...Lao Tzu (570-490 BC)
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