About: http://webisa.webdatacommons.org/456377597

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	Understanding arcs of motion, weight and bounce of different types of ball - tennis, pingpong and cannon ball.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.co.uk