[mahmoud khodary]

t=2*Vi*sin@/g
t=2*27*sin60/9.81
t = 4.77 sec

x=Vi^2*sin2@/g
x=27^2 *sin120/9.81
x=64.35 m

h=Vi^2*sin^2@/2g
(h=27^2 *sin^2(60)/(2*9.81
h= 27.87 m