moto orizzontale
x = Vo*cos 40°*t = 2,30t
moto verticale
h/x = tan β = 0,5773
h = x*tan β = 2,30t*0,5773 = 1,33t
0-h = Vo*sen 40°*t-g/2*t^2
-1,33t = 1,93t-4,903t^2
4,903t = 3,26
t = 3,26/4,903 = 0,664 sec
h = 1,33*0,664 = 0,881 m
x = 2,30*0,664 = 1,526 m