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Vo = 100 m/s
Absis titik tertinggi X = 250√3 m
g = 10 m/s²
α = __ ?
Absisi titik tertinggi
X = Vo² sin 2α / 2g
250√3 = 100² sin 2α / 20
sin 2α = 20 · 250√3 / 100²
sin 2α = ½√3
2α = 60°
α = 30° ← jwb