Billiard Ball Physics

Be sure the simulation has finished loading before you Start.

Instructions

Here are two animations of billiard ball collisions:

• Collision #1
  What is the ratio of the black mass to the red mass?
• Collision #2
  The green and the blue balls have the same mass. Does the collision shown violate any conservation laws?

Be sure to give reasons for your answers.

You may start, stop and single frame advance each simulation using the buttons at the bottom of the animation. To restart the animation, click on the collision title. The X coordinate of each ball is given next to that ball. (Position is given in metres and time is given in seconds)

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