About: http://webisa.webdatacommons.org/421178471

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	|n|?? = 1 by definition (it is a unit normal) so by equating this and the expression for |v???1|?? from the conservation of momentum (equations V and E) we get:
http://www.w3.org/ns/prov#wasQuotedFrom	kongregate.com