Datos :
∡ = 35º Xmax = 4000m
ecuaciones Xmax = Vi.
Cos(∡) .
T ⊕
t = (2Vi.
Sen(∡) / g ФФ
h max = (Vi.
Sen(∡)) ^ 2 / 2g ∴
conlos datos en la ecuacion⊕ escribo t despejando enФФ
nuestra incognita x es la velocidad
<img src="https://tex.z-dn.net/?f=4000%3D%5Cleft%28x%5Ccos%20%5Cleft%2835%5E%7B%5Ccirc%20%5C%3A%7D%5Cright%29%5Cright%29%5Cleft%282x%5Cfrac%7B%5Csin%20%5Cleft%2835%5E%7B%5Ccirc%20%5C%3A%7D%5Cright%29%7D%7B9.8%7D%5Cright%29%20" />
<img src="https://tex.z-dn.net/?f=4000%3D0.20408x%5E2%5Csin%20%5Cleft%2835%5E%7B%5Ccirc%20%5C%3A%7D%5Cright%29%5Ccos%20%5Cleft%2835%5E%7B%5Ccirc%20%5C%3A%7D%5Cright%29" />
despejo x
<img src="https://tex.z-dn.net/?f=0.09589x%5E2%3D4000" />
<img src="https://tex.z-dn.net/?f=x%3D%5Csqrt%7B%5Cfrac%7B4000%7D%7B0.09589%7D%7D%3D204.25m" />
despejo t deФФ
<img src="https://tex.z-dn.net/?f=t%3D%5Cfrac%7B2%5Ccdot%20%5C%3A204.25%5Csin%20%5Cleft%2835%5E%7B%5Ccirc%20%5C%3A%7D%5Cright%29%7D%7B9.8%7D%3D23.99seg" />
altura max
<img src="https://tex.z-dn.net/?f=H%20max%3D%5Cfrac%7B%5Cleft%28204.25%5Csin%20%5Cleft%2835%5E%7B%5Ccirc%20%5C%3A%7D%5Cright%29%5Cright%29%5E2%7D%7B2%5Ccdot%20%5C%3A9.8%7D%3D700.46m" />.