<http://webisa.webdatacommons.org/196713205>	<http://www.w3.org/ns/prov#value>	"where m is mass, v is a pre-impact velocity vector, v??? is a post-impact velocity vector, and the subscripts 1 and 2 refer to the two subject vehicles, respectively." .
<http://webisa.webdatacommons.org/prov/516199954>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/196713205> .
<http://webisa.webdatacommons.org/196713205>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/196713205>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .