Datos :
∡ = 30º Vi = 100m / s
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=alcance%20hor%3D%5Cfrac%7B100%5Ccos%20%5Cleft%2830%5E%7B%5Ccirc%20%5C%3A%7D%5Cright%292%5Ccdot%20%5C%3A100%5Csin%20%5Cleft%2830%5E%7B%5Ccirc%20%5C%3A%7D%5Cright%29%7D%7B9.8%7D%3D883.7m" />
altura max
<img src="https://tex.z-dn.net/?f=altura%3D%5Cfrac%7B%5Cleft%28100%5Ccdot%20%5Csin%20%5Cleft%2830%5Cright%29%5Cright%29%5E2%7D%7B2%5Ccdot%209.8%7D%3D127.55m" />
velocidad
Vy = Visen(∡) + g.
T Vx = Vi.
Cos(∡)
<img src="https://tex.z-dn.net/?f=V%3D%5Csqrt%7B%5Cleft%28100%5Csin%20%5Cleft%2830%5E%7B%5Ccirc%20%5C%3A%7D%5Cright%29%2B9.8%5Ccdot%20%5C%3A5%5Cright%29%5E2%2B%5Cleft%28100%5Ccos%20%5Cleft%2830%5E%7B%5Ccirc%20%5C%3A%7D%5Cright%29%5Cright%29%5E2%7D" />
131.
53m / s.