modifica
{ http://lectureonline.cl.msu.edu/~mmp/kap2/cd028a.htm [cinematic] [physics]}
{ http://lectureonline.cl.msu.edu/~mmp/kap3/cd052a.htm [physics] [vector]}
{ http://lectureonline.cl.msu.edu/~mmp/kap3/cd060.htm [physics] [cinematic] [dinamic]}
{ http://lectureonline.cl.msu.edu/~mmp/kap4/cd082.htm [physics] [vector] [force]}
{ http://lectureonline.cl.msu.edu/~mmp/applist/si/plane.htm [physics] [vector] [force] [inclinedPlane]}
{ http://lectureonline.cl.msu.edu/~mmp/kap4/cd095a.htm [physics] [vector] [force] [inclinedPlane]}
{ http://webphysics.davidson.edu/Applets/optics4/default.html [physics] [optics]}
{ http://lectureonline.cl.msu.edu/~mmp/kap5/work/work.htm [physics] [work]}