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Vo = 200 m/s
R = 2500 m
g = 10 m/s²
T = ?
Formula
R = Vo² / g sen 2 θ (Alcance maximo)
g R = Vo² sen 2 θ
g R / Vo² = sen 2 θ
θ = arc sen (g R / Vo² / 2) =
θ = arc sen (10 m/s²)(2500 m)/ (200 m/s)² / 2 = arc sen (0.3125) = 18.2°
T = 2 Vo sen θ / g = 2 (200 m/s) sen 18.2° / 10 m/s² = 12.4 s