Projectile Simulation

One thing I, as a physics teacher, I have a dislike for most web-based projectile simulations. Many are just simple graphs. Some, like the PhET simulation do try to make things semi-realistic. However, even the PhET simulation has limitations. So I decided to make my own. See it at

The Computation Layer tools used in it include
randomly generated values for initial angle, initial height, and initial speed
student entries for their predictions are transfered to later screens so that they cannot go back and “postdict”.

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I’m working on something remarkably similar, though I plan on breaking it into multiple sub problems.

Here’s the basic (Pre AB) graph module for it:

I expect multiple screens of this - the first will have draggable things to play around with, and then I’ll alternate practice and assessment screens.

Here is my stand-alone activity (before I expanded into a guided activity).