Level 1: Standard Newtonian PingPong, F=ma vibes and other delusions you may have.
Level 2: This is where things get interesting. The ball is not a ball anymore. It's a wavefunction.
It follows Schrodinger's magic recipe: ∇2ψ+8π2 m(E – U)ψ/h2=0.
Some surfaces behave classically, but most do not, so be wary.
Level 3: Total mayhem.
Psssst. Here's a secret tip. You can use the buttons below the window to change the speed of the ball.