thatGuy

Bob Pursley Said: **hf=hi/2 + v'*.55+1/2 g .55^2 but v' is the velocity after it fell the first half v'=g* timefirsthalf and hi/2=1/2 g timefirsthalf^2 or timefirsthalf=sqrt (hi/g) putting this into the equation **, 0=hi/2+.55(g*sqrt(hi/g))+4.86*.55*2 and...