posted by Sandra .
A 50 g ball of clay traveling east at 3.5 m/s collides and sticks together with a 50 g ball of clay traveling north at 2.0 m/s. What is the speed of the resulting ball of clay?
/[(0.05kg+0.05kg)]=1.0 m/s .........(east)
/[0.05kg+0.05kg)]= 17 m/s............(north)
(1)^2+(17)^2 = Vf^2
Vf= 17.6 m/s