About: http://webisa.webdatacommons.org/24894902

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	For instance, if the object is a rectangle and the bullet hits its bottom edge, the bullet's velocity becomes (-7, -6), which we transform back into the world frame: (-5, -3).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com