what is the equation relating pa and va? pa=mava
what is the equation relating pb and vb? pb=3mavb
so what is the equation relating va and vb? pa/va=pb/3vb
EDIT: the rest I am having trouble finding
no, i am not the same person, but probably same class :)
assuming that s1/s2 is the same thing as D1b/D2b, then... since you said the velocity is just the v1/v2, and velocity isn't affected by a change in mass, are they equal then?