Scientists know that Isaac Newton's rules of physics work with inelastic collisions, but in situations with elastic collisions, the rules are slightly different.
(Scientists; know; that Isaac Newton's rules of physics work with inelastic collisions) (the rules; are; slightly different; L:in situations with elastic collisions)
Scientists the rules
know are
that Isaac Newton's rules of physics work with inelastic collisions
slightly different L:in situations with elastic collisions