About: http://webisa.webdatacommons.org/229403373

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	Just in case you are not, here is an excerpt from my college physics textbook, University Physics by Sears, Francis, et al. (6th ed. with corrections.
http://www.w3.org/ns/prov#wasQuotedFrom	gizmology.net