?????????? "initial velocity"???????????
yu alredee told up it go strate up, so now yu need tu giv the SPEED
????? "initial" ?????????...its the start speed or speed at time=0
start speed=54 ft/sek
gravity slo it bi 32.2 ft/sek-sek
time tu get tu the top hite=54/32.2=1.770 seks
aveaej speed=(1/2)(start speed +end speed)=(1/2)(54+0)=27
vertikal distans it go=27*1.770=47.79 ft
Wen it come down, gotta go xtra 5 ft tu hit ground, so vertikal drop=52.79 ft
drop start speed=0, so speed down=g*t
then distans=(1/2)g*t*t=52.79 ft
so t=root(2*52.79/g)=root(105.58/32.2)=root(3.27882
=1.811 seks
hit ground with speed=32.2*1.811=58.3 ft/sek