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For Teachers


Code Language Translator Run

Software Requirements


Android iOS Windows MacOS
with best with Chrome Chrome Chrome Chrome
support full-screen? Yes. Chrome/Opera No. Firefox/ Samsung Internet Not yet Yes Yes
cannot work on some mobile browser that don't understand JavaScript such as.....
cannot work on Internet Explorer 9 and below



Francisco Esquembre; Felix J. García-Clemente; lookang

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Sample Learning Goals


For Teachers

This simulation illustrates the parabolic trajectory of a thrown ball. The goal of the simulation is to match the trajectory of the ball with the given trajectory in the video.

The variables that can be adjusted are as follows:

x₀: The initial x-position of the ball

y₀: The initial y-position of the ball

vx₀: The initial x-velocity of the ball

vy₀: The initial y-velocity of the ball

g: The gravitational acceleration






  1. improved version with joseph chua's inputs
  2. original simulation by lookang

Other Resources


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