English
http://phet.colorado.edu/sims/projectile-motion/projectile-motion_en.htmlSpanish
http://phet.colorado.edu/sims/projectile-motion/projectile-motion_es.htmlProbably also other languages, i don't know.
This is a simulator of parabolic throw, but have one special particularity, contain the resistivity of the air and with common projectiles preset... that we can modify.
The friction of air is very important and can change with the weather, with the alttitude... without air, the perfect throw for high distance always would be to 45º.
We would can know with the app, our speed throw if we can measure the distance or vice versa.
The aplication have a box for enter the alttitude, because to more alttitude, less density and more distance of throw, but lack other box for the atmosferic pressure, however, we can calculate much is the atmospheric pressure in meters and add or subtract the equivalent.
Enjoy it!
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"Slinging simulator" (not quite but fairly good!) (Read 1827 times)
