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Interactive
American Association of Physics Teachers

Com Padre Digital Library: Open Source Physics: Gr Classical Exploding Program

For Teachers 9th - 10th
Simulation of the orbital dynamics of objects exploding near a large body in space.
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Interactive
American Association of Physics Teachers

Com Padre Digital Library: Open Source Physics: General Relativity Classical

For Teachers 9th - 10th
Visual simulation of the Newtonian orbit of an object around a mass includes a graph of the effective potential.